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1 /*
2  ** Copyright 2007, The Android Open Source Project
3  **
4  ** Licensed under the Apache License, Version 2.0 (the "License");
5  ** you may not use this file except in compliance with the License.
6  ** You may obtain a copy of the License at
7  **
8  **     http://www.apache.org/licenses/LICENSE-2.0
9  **
10  ** Unless required by applicable law or agreed to in writing, software
11  ** distributed under the License is distributed on an "AS IS" BASIS,
12  ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  ** See the License for the specific language governing permissions and
14  ** limitations under the License.
15  */
16 
17 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
18 
19 #include <ctype.h>
20 #include <dlfcn.h>
21 #include <stdlib.h>
22 #include <string.h>
23 
24 #include <hardware/gralloc1.h>
25 
26 #include <EGL/egl.h>
27 #include <EGL/eglext.h>
28 
29 #include <android/hardware_buffer.h>
30 #include <private/android/AHardwareBufferHelpers.h>
31 
32 #include <cutils/compiler.h>
33 #include <cutils/properties.h>
34 #include <log/log.h>
35 
36 #include <condition_variable>
37 #include <deque>
38 #include <mutex>
39 #include <unordered_map>
40 #include <string>
41 #include <thread>
42 
43 #include "../egl_impl.h"
44 
45 #include "egl_display.h"
46 #include "egl_object.h"
47 #include "egl_tls.h"
48 #include "egl_trace.h"
49 
50 using namespace android;
51 
52 // ----------------------------------------------------------------------------
53 
54 namespace android {
55 
56 using nsecs_t = int64_t;
57 
58 struct extention_map_t {
59     const char* name;
60     __eglMustCastToProperFunctionPointerType address;
61 };
62 
63 /*
64  * This is the list of EGL extensions exposed to applications.
65  *
66  * Some of them (gBuiltinExtensionString) are implemented entirely in this EGL
67  * wrapper and are always available.
68  *
69  * The rest (gExtensionString) depend on support in the EGL driver, and are
70  * only available if the driver supports them. However, some of these must be
71  * supported because they are used by the Android system itself; these are
72  * listed as mandatory below and are required by the CDD. The system *assumes*
73  * the mandatory extensions are present and may not function properly if some
74  * are missing.
75  *
76  * NOTE: Both strings MUST have a single space as the last character.
77  */
78 
79 extern char const * const gBuiltinExtensionString;
80 extern char const * const gExtensionString;
81 
82 // clang-format off
83 char const * const gBuiltinExtensionString =
84         "EGL_KHR_get_all_proc_addresses "
85         "EGL_ANDROID_presentation_time "
86         "EGL_KHR_swap_buffers_with_damage "
87         "EGL_ANDROID_get_native_client_buffer "
88         "EGL_ANDROID_front_buffer_auto_refresh "
89         "EGL_ANDROID_get_frame_timestamps "
90         ;
91 
92 char const * const gExtensionString  =
93         "EGL_KHR_image "                        // mandatory
94         "EGL_KHR_image_base "                   // mandatory
95         "EGL_KHR_image_pixmap "
96         "EGL_KHR_lock_surface "
97         "EGL_KHR_gl_colorspace "
98         "EGL_KHR_gl_texture_2D_image "
99         "EGL_KHR_gl_texture_3D_image "
100         "EGL_KHR_gl_texture_cubemap_image "
101         "EGL_KHR_gl_renderbuffer_image "
102         "EGL_KHR_reusable_sync "
103         "EGL_KHR_fence_sync "
104         "EGL_KHR_create_context "
105         "EGL_KHR_config_attribs "
106         "EGL_KHR_surfaceless_context "
107         "EGL_KHR_stream "
108         "EGL_KHR_stream_fifo "
109         "EGL_KHR_stream_producer_eglsurface "
110         "EGL_KHR_stream_consumer_gltexture "
111         "EGL_KHR_stream_cross_process_fd "
112         "EGL_EXT_create_context_robustness "
113         "EGL_NV_system_time "
114         "EGL_ANDROID_image_native_buffer "      // mandatory
115         "EGL_KHR_wait_sync "                    // strongly recommended
116         "EGL_ANDROID_recordable "               // mandatory
117         "EGL_KHR_partial_update "               // strongly recommended
118         "EGL_EXT_pixel_format_float "
119         "EGL_EXT_buffer_age "                   // strongly recommended with partial_update
120         "EGL_KHR_create_context_no_error "
121         "EGL_KHR_mutable_render_buffer "
122         "EGL_EXT_yuv_surface "
123         "EGL_EXT_protected_content "
124         "EGL_IMG_context_priority "
125         "EGL_KHR_no_config_context "
126         ;
127 // clang-format on
128 
129 // extensions not exposed to applications but used by the ANDROID system
130 //      "EGL_ANDROID_blob_cache "               // strongly recommended
131 //      "EGL_IMG_hibernate_process "            // optional
132 //      "EGL_ANDROID_native_fence_sync "        // strongly recommended
133 //      "EGL_ANDROID_framebuffer_target "       // mandatory for HWC 1.1
134 //      "EGL_ANDROID_image_crop "               // optional
135 
136 /*
137  * EGL Extensions entry-points exposed to 3rd party applications
138  * (keep in sync with gExtensionString above)
139  *
140  */
141 static const extention_map_t sExtensionMap[] = {
142     // EGL_KHR_lock_surface
143     { "eglLockSurfaceKHR",
144             (__eglMustCastToProperFunctionPointerType)&eglLockSurfaceKHR },
145     { "eglUnlockSurfaceKHR",
146             (__eglMustCastToProperFunctionPointerType)&eglUnlockSurfaceKHR },
147 
148     // EGL_KHR_image, EGL_KHR_image_base
149     { "eglCreateImageKHR",
150             (__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR },
151     { "eglDestroyImageKHR",
152             (__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR },
153 
154     // EGL_KHR_reusable_sync, EGL_KHR_fence_sync
155     { "eglCreateSyncKHR",
156             (__eglMustCastToProperFunctionPointerType)&eglCreateSyncKHR },
157     { "eglDestroySyncKHR",
158             (__eglMustCastToProperFunctionPointerType)&eglDestroySyncKHR },
159     { "eglClientWaitSyncKHR",
160             (__eglMustCastToProperFunctionPointerType)&eglClientWaitSyncKHR },
161     { "eglSignalSyncKHR",
162             (__eglMustCastToProperFunctionPointerType)&eglSignalSyncKHR },
163     { "eglGetSyncAttribKHR",
164             (__eglMustCastToProperFunctionPointerType)&eglGetSyncAttribKHR },
165 
166     // EGL_NV_system_time
167     { "eglGetSystemTimeFrequencyNV",
168             (__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeFrequencyNV },
169     { "eglGetSystemTimeNV",
170             (__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeNV },
171 
172     // EGL_KHR_wait_sync
173     { "eglWaitSyncKHR",
174             (__eglMustCastToProperFunctionPointerType)&eglWaitSyncKHR },
175 
176     // EGL_ANDROID_presentation_time
177     { "eglPresentationTimeANDROID",
178             (__eglMustCastToProperFunctionPointerType)&eglPresentationTimeANDROID },
179 
180     // EGL_KHR_swap_buffers_with_damage
181     { "eglSwapBuffersWithDamageKHR",
182             (__eglMustCastToProperFunctionPointerType)&eglSwapBuffersWithDamageKHR },
183 
184     // EGL_ANDROID_get_native_client_buffer
185     { "eglGetNativeClientBufferANDROID",
186             (__eglMustCastToProperFunctionPointerType)&eglGetNativeClientBufferANDROID },
187 
188     // EGL_KHR_partial_update
189     { "eglSetDamageRegionKHR",
190             (__eglMustCastToProperFunctionPointerType)&eglSetDamageRegionKHR },
191 
192     { "eglCreateStreamKHR",
193             (__eglMustCastToProperFunctionPointerType)&eglCreateStreamKHR },
194     { "eglDestroyStreamKHR",
195             (__eglMustCastToProperFunctionPointerType)&eglDestroyStreamKHR },
196     { "eglStreamAttribKHR",
197             (__eglMustCastToProperFunctionPointerType)&eglStreamAttribKHR },
198     { "eglQueryStreamKHR",
199             (__eglMustCastToProperFunctionPointerType)&eglQueryStreamKHR },
200     { "eglQueryStreamu64KHR",
201             (__eglMustCastToProperFunctionPointerType)&eglQueryStreamu64KHR },
202     { "eglQueryStreamTimeKHR",
203             (__eglMustCastToProperFunctionPointerType)&eglQueryStreamTimeKHR },
204     { "eglCreateStreamProducerSurfaceKHR",
205             (__eglMustCastToProperFunctionPointerType)&eglCreateStreamProducerSurfaceKHR },
206     { "eglStreamConsumerGLTextureExternalKHR",
207             (__eglMustCastToProperFunctionPointerType)&eglStreamConsumerGLTextureExternalKHR },
208     { "eglStreamConsumerAcquireKHR",
209             (__eglMustCastToProperFunctionPointerType)&eglStreamConsumerAcquireKHR },
210     { "eglStreamConsumerReleaseKHR",
211             (__eglMustCastToProperFunctionPointerType)&eglStreamConsumerReleaseKHR },
212     { "eglGetStreamFileDescriptorKHR",
213             (__eglMustCastToProperFunctionPointerType)&eglGetStreamFileDescriptorKHR },
214     { "eglCreateStreamFromFileDescriptorKHR",
215             (__eglMustCastToProperFunctionPointerType)&eglCreateStreamFromFileDescriptorKHR },
216 
217     // EGL_ANDROID_get_frame_timestamps
218     { "eglGetNextFrameIdANDROID",
219             (__eglMustCastToProperFunctionPointerType)&eglGetNextFrameIdANDROID },
220     { "eglGetCompositorTimingANDROID",
221             (__eglMustCastToProperFunctionPointerType)&eglGetCompositorTimingANDROID },
222     { "eglGetCompositorTimingSupportedANDROID",
223             (__eglMustCastToProperFunctionPointerType)&eglGetCompositorTimingSupportedANDROID },
224     { "eglGetFrameTimestampsANDROID",
225             (__eglMustCastToProperFunctionPointerType)&eglGetFrameTimestampsANDROID },
226     { "eglGetFrameTimestampSupportedANDROID",
227             (__eglMustCastToProperFunctionPointerType)&eglGetFrameTimestampSupportedANDROID },
228 
229     // EGL_ANDROID_native_fence_sync
230     { "eglDupNativeFenceFDANDROID",
231             (__eglMustCastToProperFunctionPointerType)&eglDupNativeFenceFDANDROID },
232 };
233 
234 /*
235  * These extensions entry-points should not be exposed to applications.
236  * They're used internally by the Android EGL layer.
237  */
238 #define FILTER_EXTENSIONS(procname) \
239         (!strcmp((procname), "eglSetBlobCacheFuncsANDROID") ||    \
240          !strcmp((procname), "eglHibernateProcessIMG")      ||    \
241          !strcmp((procname), "eglAwakenProcessIMG"))
242 
243 
244 
245 // accesses protected by sExtensionMapMutex
246 static std::unordered_map<std::string, __eglMustCastToProperFunctionPointerType> sGLExtentionMap;
247 
248 static int sGLExtentionSlot = 0;
249 static pthread_mutex_t sExtensionMapMutex = PTHREAD_MUTEX_INITIALIZER;
250 
findProcAddress(const char * name,const extention_map_t * map,size_t n)251 static void(*findProcAddress(const char* name,
252         const extention_map_t* map, size_t n))() {
253     for (uint32_t i=0 ; i<n ; i++) {
254         if (!strcmp(name, map[i].name)) {
255             return map[i].address;
256         }
257     }
258     return NULL;
259 }
260 
261 // ----------------------------------------------------------------------------
262 
263 extern void setGLHooksThreadSpecific(gl_hooks_t const *value);
264 extern EGLBoolean egl_init_drivers();
265 extern const __eglMustCastToProperFunctionPointerType gExtensionForwarders[MAX_NUMBER_OF_GL_EXTENSIONS];
266 extern gl_hooks_t gHooksTrace;
267 
268 } // namespace android;
269 
270 
271 // ----------------------------------------------------------------------------
272 
clearError()273 static inline void clearError() { egl_tls_t::clearError(); }
getContext()274 static inline EGLContext getContext() { return egl_tls_t::getContext(); }
275 
276 // ----------------------------------------------------------------------------
277 
eglGetDisplay(EGLNativeDisplayType display)278 EGLDisplay eglGetDisplay(EGLNativeDisplayType display)
279 {
280     ATRACE_CALL();
281     clearError();
282 
283     uintptr_t index = reinterpret_cast<uintptr_t>(display);
284     if (index >= NUM_DISPLAYS) {
285         return setError(EGL_BAD_PARAMETER, EGL_NO_DISPLAY);
286     }
287 
288     if (egl_init_drivers() == EGL_FALSE) {
289         return setError(EGL_BAD_PARAMETER, EGL_NO_DISPLAY);
290     }
291 
292     EGLDisplay dpy = egl_display_t::getFromNativeDisplay(display);
293     return dpy;
294 }
295 
296 // ----------------------------------------------------------------------------
297 // Initialization
298 // ----------------------------------------------------------------------------
299 
eglInitialize(EGLDisplay dpy,EGLint * major,EGLint * minor)300 EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
301 {
302     clearError();
303 
304     egl_display_ptr dp = get_display(dpy);
305     if (!dp) return setError(EGL_BAD_DISPLAY, (EGLBoolean)EGL_FALSE);
306 
307     EGLBoolean res = dp->initialize(major, minor);
308 
309     return res;
310 }
311 
eglTerminate(EGLDisplay dpy)312 EGLBoolean eglTerminate(EGLDisplay dpy)
313 {
314     // NOTE: don't unload the drivers b/c some APIs can be called
315     // after eglTerminate() has been called. eglTerminate() only
316     // terminates an EGLDisplay, not a EGL itself.
317 
318     clearError();
319 
320     egl_display_ptr dp = get_display(dpy);
321     if (!dp) return setError(EGL_BAD_DISPLAY, (EGLBoolean)EGL_FALSE);
322 
323     EGLBoolean res = dp->terminate();
324 
325     return res;
326 }
327 
328 // ----------------------------------------------------------------------------
329 // configuration
330 // ----------------------------------------------------------------------------
331 
eglGetConfigs(EGLDisplay dpy,EGLConfig * configs,EGLint config_size,EGLint * num_config)332 EGLBoolean eglGetConfigs(   EGLDisplay dpy,
333                             EGLConfig *configs,
334                             EGLint config_size, EGLint *num_config)
335 {
336     clearError();
337 
338     const egl_display_ptr dp = validate_display(dpy);
339     if (!dp) return EGL_FALSE;
340 
341     if (num_config==0) {
342         return setError(EGL_BAD_PARAMETER, (EGLBoolean)EGL_FALSE);
343     }
344 
345     EGLBoolean res = EGL_FALSE;
346     *num_config = 0;
347 
348     egl_connection_t* const cnx = &gEGLImpl;
349     if (cnx->dso) {
350         res = cnx->egl.eglGetConfigs(
351                 dp->disp.dpy, configs, config_size, num_config);
352     }
353 
354     return res;
355 }
356 
eglChooseConfig(EGLDisplay dpy,const EGLint * attrib_list,EGLConfig * configs,EGLint config_size,EGLint * num_config)357 EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list,
358                             EGLConfig *configs, EGLint config_size,
359                             EGLint *num_config)
360 {
361     clearError();
362 
363     const egl_display_ptr dp = validate_display(dpy);
364     if (!dp) return EGL_FALSE;
365 
366     if (num_config==0) {
367         return setError(EGL_BAD_PARAMETER, (EGLBoolean)EGL_FALSE);
368     }
369 
370     EGLBoolean res = EGL_FALSE;
371     *num_config = 0;
372 
373     egl_connection_t* const cnx = &gEGLImpl;
374     if (cnx->dso) {
375         if (attrib_list) {
376             char value[PROPERTY_VALUE_MAX];
377             property_get("debug.egl.force_msaa", value, "false");
378 
379             if (!strcmp(value, "true")) {
380                 size_t attribCount = 0;
381                 EGLint attrib = attrib_list[0];
382 
383                 // Only enable MSAA if the context is OpenGL ES 2.0 and
384                 // if no caveat is requested
385                 const EGLint *attribRendererable = NULL;
386                 const EGLint *attribCaveat = NULL;
387 
388                 // Count the number of attributes and look for
389                 // EGL_RENDERABLE_TYPE and EGL_CONFIG_CAVEAT
390                 while (attrib != EGL_NONE) {
391                     attrib = attrib_list[attribCount];
392                     switch (attrib) {
393                         case EGL_RENDERABLE_TYPE:
394                             attribRendererable = &attrib_list[attribCount];
395                             break;
396                         case EGL_CONFIG_CAVEAT:
397                             attribCaveat = &attrib_list[attribCount];
398                             break;
399                         default:
400                             break;
401                     }
402                     attribCount++;
403                 }
404 
405                 if (attribRendererable && attribRendererable[1] == EGL_OPENGL_ES2_BIT &&
406                         (!attribCaveat || attribCaveat[1] != EGL_NONE)) {
407 
408                     // Insert 2 extra attributes to force-enable MSAA 4x
409                     EGLint aaAttribs[attribCount + 4];
410                     aaAttribs[0] = EGL_SAMPLE_BUFFERS;
411                     aaAttribs[1] = 1;
412                     aaAttribs[2] = EGL_SAMPLES;
413                     aaAttribs[3] = 4;
414 
415                     memcpy(&aaAttribs[4], attrib_list, attribCount * sizeof(EGLint));
416 
417                     EGLint numConfigAA;
418                     EGLBoolean resAA = cnx->egl.eglChooseConfig(
419                             dp->disp.dpy, aaAttribs, configs, config_size, &numConfigAA);
420 
421                     if (resAA == EGL_TRUE && numConfigAA > 0) {
422                         ALOGD("Enabling MSAA 4x");
423                         *num_config = numConfigAA;
424                         return resAA;
425                     }
426                 }
427             }
428         }
429 
430         res = cnx->egl.eglChooseConfig(
431                 dp->disp.dpy, attrib_list, configs, config_size, num_config);
432     }
433     return res;
434 }
435 
eglGetConfigAttrib(EGLDisplay dpy,EGLConfig config,EGLint attribute,EGLint * value)436 EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
437         EGLint attribute, EGLint *value)
438 {
439     clearError();
440 
441     egl_connection_t* cnx = NULL;
442     const egl_display_ptr dp = validate_display_connection(dpy, cnx);
443     if (!dp) return EGL_FALSE;
444 
445     return cnx->egl.eglGetConfigAttrib(
446             dp->disp.dpy, config, attribute, value);
447 }
448 
449 // ----------------------------------------------------------------------------
450 // surfaces
451 // ----------------------------------------------------------------------------
452 
453 // Turn linear formats into corresponding sRGB formats when colorspace is
454 // EGL_GL_COLORSPACE_SRGB_KHR, or turn sRGB formats into corresponding linear
455 // formats when colorspace is EGL_GL_COLORSPACE_LINEAR_KHR. In any cases where
456 // the modification isn't possible, the original dataSpace is returned.
modifyBufferDataspace(android_dataspace dataSpace,EGLint colorspace)457 static android_dataspace modifyBufferDataspace(android_dataspace dataSpace,
458                                                EGLint colorspace) {
459     if (colorspace == EGL_GL_COLORSPACE_LINEAR_KHR) {
460         return HAL_DATASPACE_SRGB_LINEAR;
461     } else if (colorspace == EGL_GL_COLORSPACE_SRGB_KHR) {
462         return HAL_DATASPACE_SRGB;
463     } else if (colorspace == EGL_GL_COLORSPACE_DISPLAY_P3_EXT) {
464         return HAL_DATASPACE_DISPLAY_P3;
465     } else if (colorspace == EGL_GL_COLORSPACE_DISPLAY_P3_LINEAR_EXT) {
466         return HAL_DATASPACE_DISPLAY_P3_LINEAR;
467     } else if (colorspace == EGL_GL_COLORSPACE_SCRGB_EXT) {
468         return HAL_DATASPACE_V0_SCRGB;
469     } else if (colorspace == EGL_GL_COLORSPACE_SCRGB_LINEAR_EXT) {
470         return HAL_DATASPACE_V0_SCRGB_LINEAR;
471     }
472     return dataSpace;
473 }
474 
475 // Return true if we stripped any EGL_GL_COLORSPACE_KHR attributes.
stripColorSpaceAttribute(egl_display_ptr dp,const EGLint * attrib_list,EGLint format,std::vector<EGLint> & stripped_attrib_list)476 static EGLBoolean stripColorSpaceAttribute(egl_display_ptr dp, const EGLint* attrib_list,
477                                            EGLint format,
478                                            std::vector<EGLint>& stripped_attrib_list) {
479     std::vector<EGLint> allowedColorSpaces;
480     switch (format) {
481         case HAL_PIXEL_FORMAT_RGBA_8888:
482         case HAL_PIXEL_FORMAT_RGB_565:
483             // driver okay with linear & sRGB for 8888, but can't handle
484             // Display-P3 or other spaces.
485             allowedColorSpaces.push_back(EGL_GL_COLORSPACE_SRGB_KHR);
486             allowedColorSpaces.push_back(EGL_GL_COLORSPACE_LINEAR_KHR);
487             break;
488 
489         case HAL_PIXEL_FORMAT_RGBA_FP16:
490         case HAL_PIXEL_FORMAT_RGBA_1010102:
491         default:
492             // driver does not want to see colorspace attributes for 1010102 or fp16.
493             // Future: if driver supports XXXX extension, we can pass down that colorspace
494             break;
495     }
496 
497     bool stripped = false;
498     if (attrib_list && dp->haveExtension("EGL_KHR_gl_colorspace")) {
499         for (const EGLint* attr = attrib_list; attr[0] != EGL_NONE; attr += 2) {
500             if (attr[0] == EGL_GL_COLORSPACE_KHR) {
501                 EGLint colorSpace = attr[1];
502                 bool found = false;
503                 // Verify that color space is allowed
504                 for (auto it : allowedColorSpaces) {
505                     if (colorSpace == it) {
506                         found = true;
507                     }
508                 }
509                 if (!found) {
510                     stripped = true;
511                 } else {
512                     stripped_attrib_list.push_back(attr[0]);
513                     stripped_attrib_list.push_back(attr[1]);
514                 }
515             } else {
516                 stripped_attrib_list.push_back(attr[0]);
517                 stripped_attrib_list.push_back(attr[1]);
518             }
519         }
520     }
521     if (stripped) {
522         stripped_attrib_list.push_back(EGL_NONE);
523         stripped_attrib_list.push_back(EGL_NONE);
524     }
525     return stripped;
526 }
527 
getColorSpaceAttribute(egl_display_ptr dp,NativeWindowType window,const EGLint * attrib_list,EGLint & colorSpace,android_dataspace & dataSpace)528 static EGLBoolean getColorSpaceAttribute(egl_display_ptr dp, NativeWindowType window,
529                                          const EGLint* attrib_list, EGLint& colorSpace,
530                                          android_dataspace& dataSpace) {
531     colorSpace = EGL_GL_COLORSPACE_LINEAR_KHR;
532     dataSpace = HAL_DATASPACE_UNKNOWN;
533 
534     if (attrib_list && dp->haveExtension("EGL_KHR_gl_colorspace")) {
535         for (const EGLint* attr = attrib_list; *attr != EGL_NONE; attr += 2) {
536             if (*attr == EGL_GL_COLORSPACE_KHR) {
537                 colorSpace = attr[1];
538                 bool found = false;
539                 bool verify = true;
540                 // Verify that color space is allowed
541                 if (colorSpace == EGL_GL_COLORSPACE_SRGB_KHR ||
542                     colorSpace == EGL_GL_COLORSPACE_LINEAR_KHR) {
543                     // SRGB and LINEAR are always supported when EGL_KHR_gl_colorspace
544                     // is available, so no need to verify.
545                     found = true;
546                     verify = false;
547                 } else if (colorSpace == EGL_EXT_gl_colorspace_bt2020_linear &&
548                            dp->haveExtension("EGL_EXT_gl_colorspace_bt2020_linear")) {
549                     found = true;
550                 } else if (colorSpace == EGL_EXT_gl_colorspace_bt2020_pq &&
551                            dp->haveExtension("EGL_EXT_gl_colorspace_bt2020_pq")) {
552                     found = true;
553                 } else if (colorSpace == EGL_GL_COLORSPACE_SCRGB_EXT &&
554                            dp->haveExtension("EGL_EXT_gl_colorspace_scrgb")) {
555                     found = true;
556                 } else if (colorSpace == EGL_GL_COLORSPACE_SCRGB_LINEAR_EXT &&
557                            dp->haveExtension("EGL_EXT_gl_colorspace_scrgb_linear")) {
558                     found = true;
559                 } else if (colorSpace == EGL_GL_COLORSPACE_DISPLAY_P3_LINEAR_EXT &&
560                            dp->haveExtension("EGL_EXT_gl_colorspace_display_p3_linear")) {
561                     found = true;
562                 } else if (colorSpace == EGL_GL_COLORSPACE_DISPLAY_P3_EXT &&
563                            dp->haveExtension("EGL_EXT_gl_colorspace_display_p3")) {
564                     found = true;
565                 }
566                 if (!found) {
567                     return false;
568                 }
569                 if (verify && window) {
570                     bool wide_color_support = true;
571                     // Ordinarily we'd put a call to native_window_get_wide_color_support
572                     // at the beginning of the function so that we'll have the
573                     // result when needed elsewhere in the function.
574                     // However, because eglCreateWindowSurface is called by SurfaceFlinger and
575                     // SurfaceFlinger is required to answer the call below we would
576                     // end up in a deadlock situation. By moving the call to only happen
577                     // if the application has specifically asked for wide-color we avoid
578                     // the deadlock with SurfaceFlinger since it will not ask for a
579                     // wide-color surface.
580                     int err = native_window_get_wide_color_support(window, &wide_color_support);
581 
582                     if (err) {
583                         ALOGE("getColorSpaceAttribute: invalid window (win=%p) "
584                               "failed (%#x) (already connected to another API?)",
585                               window, err);
586                         return false;
587                     }
588                     if (!wide_color_support) {
589                         // Application has asked for a wide-color colorspace but
590                         // wide-color support isn't available on the display the window is on.
591                         return false;
592                     }
593                 }
594                 // Only change the dataSpace from default if the application
595                 // has explicitly set the color space with a EGL_GL_COLORSPACE_KHR attribute.
596                 dataSpace = modifyBufferDataspace(dataSpace, colorSpace);
597             }
598         }
599     }
600     return true;
601 }
602 
getColorSpaceAttribute(egl_display_ptr dp,const EGLint * attrib_list,EGLint & colorSpace,android_dataspace & dataSpace)603 static EGLBoolean getColorSpaceAttribute(egl_display_ptr dp, const EGLint* attrib_list,
604                                          EGLint& colorSpace, android_dataspace& dataSpace) {
605     return getColorSpaceAttribute(dp, NULL, attrib_list, colorSpace, dataSpace);
606 }
607 
getNativePixelFormat(EGLDisplay dpy,egl_connection_t * cnx,EGLConfig config,EGLint & format)608 void getNativePixelFormat(EGLDisplay dpy, egl_connection_t* cnx, EGLConfig config, EGLint& format) {
609     // Set the native window's buffers format to match what this config requests.
610     // Whether to use sRGB gamma is not part of the EGLconfig, but is part
611     // of our native format. So if sRGB gamma is requested, we have to
612     // modify the EGLconfig's format before setting the native window's
613     // format.
614 
615     EGLint componentType = EGL_COLOR_COMPONENT_TYPE_FIXED_EXT;
616     cnx->egl.eglGetConfigAttrib(dpy, config, EGL_COLOR_COMPONENT_TYPE_EXT, &componentType);
617 
618     EGLint a = 0;
619     EGLint r, g, b;
620     r = g = b = 0;
621     cnx->egl.eglGetConfigAttrib(dpy, config, EGL_RED_SIZE, &r);
622     cnx->egl.eglGetConfigAttrib(dpy, config, EGL_GREEN_SIZE, &g);
623     cnx->egl.eglGetConfigAttrib(dpy, config, EGL_BLUE_SIZE, &b);
624     cnx->egl.eglGetConfigAttrib(dpy, config, EGL_ALPHA_SIZE, &a);
625     EGLint colorDepth = r + g + b;
626 
627     // Today, the driver only understands sRGB and linear on 888X
628     // formats. Strip other colorspaces from the attribute list and
629     // only use them to set the dataspace via
630     // native_window_set_buffers_dataspace
631     // if pixel format is RGBX 8888
632     //    TBD: Can test for future extensions that indicate that driver
633     //    handles requested color space and we can let it through.
634     //    allow SRGB and LINEAR. All others need to be stripped.
635     // else if 565, 4444
636     //    TBD: Can we assume these are supported if 8888 is?
637     // else if FP16 or 1010102
638     //    strip colorspace from attribs.
639     // endif
640     if (a == 0) {
641         if (colorDepth <= 16) {
642             format = HAL_PIXEL_FORMAT_RGB_565;
643         } else {
644             if (componentType == EGL_COLOR_COMPONENT_TYPE_FIXED_EXT) {
645                 if (colorDepth > 24) {
646                     format = HAL_PIXEL_FORMAT_RGBA_1010102;
647                 } else {
648                     format = HAL_PIXEL_FORMAT_RGBX_8888;
649                 }
650             } else {
651                 format = HAL_PIXEL_FORMAT_RGBA_FP16;
652             }
653         }
654     } else {
655         if (componentType == EGL_COLOR_COMPONENT_TYPE_FIXED_EXT) {
656             if (colorDepth > 24) {
657                 format = HAL_PIXEL_FORMAT_RGBA_1010102;
658             } else {
659                 format = HAL_PIXEL_FORMAT_RGBA_8888;
660             }
661         } else {
662             format = HAL_PIXEL_FORMAT_RGBA_FP16;
663         }
664     }
665 }
666 
eglCreateWindowSurface(EGLDisplay dpy,EGLConfig config,NativeWindowType window,const EGLint * attrib_list)667 EGLSurface eglCreateWindowSurface(  EGLDisplay dpy, EGLConfig config,
668                                     NativeWindowType window,
669                                     const EGLint *attrib_list)
670 {
671     clearError();
672 
673     egl_connection_t* cnx = NULL;
674     egl_display_ptr dp = validate_display_connection(dpy, cnx);
675     if (dp) {
676         EGLDisplay iDpy = dp->disp.dpy;
677 
678         if (!window) {
679             return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
680         }
681 
682         int value = 0;
683         window->query(window, NATIVE_WINDOW_IS_VALID, &value);
684         if (!value) {
685             return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
686         }
687 
688         int result = native_window_api_connect(window, NATIVE_WINDOW_API_EGL);
689         if (result < 0) {
690             ALOGE("eglCreateWindowSurface: native_window_api_connect (win=%p) "
691                     "failed (%#x) (already connected to another API?)",
692                     window, result);
693             return setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
694         }
695 
696         EGLint format;
697         getNativePixelFormat(iDpy, cnx, config, format);
698 
699         // now select correct colorspace and dataspace based on user's attribute list
700         EGLint colorSpace;
701         android_dataspace dataSpace;
702         if (!getColorSpaceAttribute(dp, window, attrib_list, colorSpace, dataSpace)) {
703             ALOGE("error invalid colorspace: %d", colorSpace);
704             return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
705         }
706 
707         std::vector<EGLint> strippedAttribList;
708         if (stripColorSpaceAttribute(dp, attrib_list, format, strippedAttribList)) {
709             // Had to modify the attribute list due to use of color space.
710             // Use modified list from here on.
711             attrib_list = strippedAttribList.data();
712         }
713 
714         if (format != 0) {
715             int err = native_window_set_buffers_format(window, format);
716             if (err != 0) {
717                 ALOGE("error setting native window pixel format: %s (%d)",
718                         strerror(-err), err);
719                 native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
720                 return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
721             }
722         }
723 
724         if (dataSpace != 0) {
725             int err = native_window_set_buffers_data_space(window, dataSpace);
726             if (err != 0) {
727                 ALOGE("error setting native window pixel dataSpace: %s (%d)",
728                         strerror(-err), err);
729                 native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
730                 return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
731             }
732         }
733 
734         // the EGL spec requires that a new EGLSurface default to swap interval
735         // 1, so explicitly set that on the window here.
736         ANativeWindow* anw = reinterpret_cast<ANativeWindow*>(window);
737         anw->setSwapInterval(anw, 1);
738 
739         EGLSurface surface = cnx->egl.eglCreateWindowSurface(
740                 iDpy, config, window, attrib_list);
741         if (surface != EGL_NO_SURFACE) {
742             egl_surface_t* s =
743                     new egl_surface_t(dp.get(), config, window, surface, colorSpace, cnx);
744             return s;
745         }
746 
747         // EGLSurface creation failed
748         native_window_set_buffers_format(window, 0);
749         native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
750     }
751     return EGL_NO_SURFACE;
752 }
753 
eglCreatePixmapSurface(EGLDisplay dpy,EGLConfig config,NativePixmapType pixmap,const EGLint * attrib_list)754 EGLSurface eglCreatePixmapSurface(  EGLDisplay dpy, EGLConfig config,
755                                     NativePixmapType pixmap,
756                                     const EGLint *attrib_list)
757 {
758     clearError();
759 
760     egl_connection_t* cnx = NULL;
761     egl_display_ptr dp = validate_display_connection(dpy, cnx);
762     EGLint colorSpace;
763     android_dataspace dataSpace;
764     if (dp) {
765         // now select a corresponding sRGB format if needed
766         if (!getColorSpaceAttribute(dp, attrib_list, colorSpace, dataSpace)) {
767             ALOGE("error invalid colorspace: %d", colorSpace);
768             return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
769         }
770 
771         EGLSurface surface = cnx->egl.eglCreatePixmapSurface(
772                 dp->disp.dpy, config, pixmap, attrib_list);
773         if (surface != EGL_NO_SURFACE) {
774             egl_surface_t* s = new egl_surface_t(dp.get(), config, NULL, surface, colorSpace, cnx);
775             return s;
776         }
777     }
778     return EGL_NO_SURFACE;
779 }
780 
eglCreatePbufferSurface(EGLDisplay dpy,EGLConfig config,const EGLint * attrib_list)781 EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config,
782                                     const EGLint *attrib_list)
783 {
784     clearError();
785 
786     egl_connection_t* cnx = NULL;
787     egl_display_ptr dp = validate_display_connection(dpy, cnx);
788     if (dp) {
789         EGLDisplay iDpy = dp->disp.dpy;
790         EGLint format;
791         getNativePixelFormat(iDpy, cnx, config, format);
792 
793         // now select correct colorspace and dataspace based on user's attribute list
794         EGLint colorSpace;
795         android_dataspace dataSpace;
796         if (!getColorSpaceAttribute(dp, attrib_list, colorSpace, dataSpace)) {
797             ALOGE("error invalid colorspace: %d", colorSpace);
798             return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
799         }
800 
801         // Pbuffers are not displayed so we don't need to store the
802         // colorspace. We do need to filter out color spaces the
803         // driver doesn't know how to process.
804         std::vector<EGLint> strippedAttribList;
805         if (stripColorSpaceAttribute(dp, attrib_list, format, strippedAttribList)) {
806             // Had to modify the attribute list due to use of color space.
807             // Use modified list from here on.
808             attrib_list = strippedAttribList.data();
809         }
810 
811         EGLSurface surface = cnx->egl.eglCreatePbufferSurface(
812                 dp->disp.dpy, config, attrib_list);
813         if (surface != EGL_NO_SURFACE) {
814             egl_surface_t* s = new egl_surface_t(dp.get(), config, NULL, surface, colorSpace, cnx);
815             return s;
816         }
817     }
818     return EGL_NO_SURFACE;
819 }
820 
eglDestroySurface(EGLDisplay dpy,EGLSurface surface)821 EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface surface)
822 {
823     clearError();
824 
825     const egl_display_ptr dp = validate_display(dpy);
826     if (!dp) return EGL_FALSE;
827 
828     SurfaceRef _s(dp.get(), surface);
829     if (!_s.get())
830         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
831 
832     egl_surface_t * const s = get_surface(surface);
833     EGLBoolean result = s->cnx->egl.eglDestroySurface(dp->disp.dpy, s->surface);
834     if (result == EGL_TRUE) {
835         _s.terminate();
836     }
837     return result;
838 }
839 
eglQuerySurface(EGLDisplay dpy,EGLSurface surface,EGLint attribute,EGLint * value)840 EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface surface,
841                             EGLint attribute, EGLint *value)
842 {
843     clearError();
844 
845     const egl_display_ptr dp = validate_display(dpy);
846     if (!dp) return EGL_FALSE;
847 
848     SurfaceRef _s(dp.get(), surface);
849     if (!_s.get())
850         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
851 
852     egl_surface_t const * const s = get_surface(surface);
853     if (attribute == EGL_GL_COLORSPACE_KHR) {
854         *value = s->getColorSpace();
855         return EGL_TRUE;
856     }
857     return s->cnx->egl.eglQuerySurface(
858             dp->disp.dpy, s->surface, attribute, value);
859 }
860 
eglBeginFrame(EGLDisplay dpy,EGLSurface surface)861 void EGLAPI eglBeginFrame(EGLDisplay dpy, EGLSurface surface) {
862     ATRACE_CALL();
863     clearError();
864 
865     const egl_display_ptr dp = validate_display(dpy);
866     if (!dp) {
867         return;
868     }
869 
870     SurfaceRef _s(dp.get(), surface);
871     if (!_s.get()) {
872         setError(EGL_BAD_SURFACE, EGL_FALSE);
873     }
874 }
875 
876 // ----------------------------------------------------------------------------
877 // Contexts
878 // ----------------------------------------------------------------------------
879 
eglCreateContext(EGLDisplay dpy,EGLConfig config,EGLContext share_list,const EGLint * attrib_list)880 EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config,
881                             EGLContext share_list, const EGLint *attrib_list)
882 {
883     clearError();
884 
885     egl_connection_t* cnx = NULL;
886     const egl_display_ptr dp = validate_display_connection(dpy, cnx);
887     if (dp) {
888         if (share_list != EGL_NO_CONTEXT) {
889             if (!ContextRef(dp.get(), share_list).get()) {
890                 return setError(EGL_BAD_CONTEXT, EGL_NO_CONTEXT);
891             }
892             egl_context_t* const c = get_context(share_list);
893             share_list = c->context;
894         }
895         EGLContext context = cnx->egl.eglCreateContext(
896                 dp->disp.dpy, config, share_list, attrib_list);
897         if (context != EGL_NO_CONTEXT) {
898             // figure out if it's a GLESv1 or GLESv2
899             int version = 0;
900             if (attrib_list) {
901                 while (*attrib_list != EGL_NONE) {
902                     GLint attr = *attrib_list++;
903                     GLint value = *attrib_list++;
904                     if (attr == EGL_CONTEXT_CLIENT_VERSION) {
905                         if (value == 1) {
906                             version = egl_connection_t::GLESv1_INDEX;
907                         } else if (value == 2 || value == 3) {
908                             version = egl_connection_t::GLESv2_INDEX;
909                         }
910                     }
911                 };
912             }
913             egl_context_t* c = new egl_context_t(dpy, context, config, cnx,
914                     version);
915             return c;
916         }
917     }
918     return EGL_NO_CONTEXT;
919 }
920 
eglDestroyContext(EGLDisplay dpy,EGLContext ctx)921 EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx)
922 {
923     clearError();
924 
925     const egl_display_ptr dp = validate_display(dpy);
926     if (!dp)
927         return EGL_FALSE;
928 
929     ContextRef _c(dp.get(), ctx);
930     if (!_c.get())
931         return setError(EGL_BAD_CONTEXT, (EGLBoolean)EGL_FALSE);
932 
933     egl_context_t * const c = get_context(ctx);
934     EGLBoolean result = c->cnx->egl.eglDestroyContext(dp->disp.dpy, c->context);
935     if (result == EGL_TRUE) {
936         _c.terminate();
937     }
938     return result;
939 }
940 
eglMakeCurrent(EGLDisplay dpy,EGLSurface draw,EGLSurface read,EGLContext ctx)941 EGLBoolean eglMakeCurrent(  EGLDisplay dpy, EGLSurface draw,
942                             EGLSurface read, EGLContext ctx)
943 {
944     clearError();
945 
946     egl_display_ptr dp = validate_display(dpy);
947     if (!dp) return setError(EGL_BAD_DISPLAY, (EGLBoolean)EGL_FALSE);
948 
949     // If ctx is not EGL_NO_CONTEXT, read is not EGL_NO_SURFACE, or draw is not
950     // EGL_NO_SURFACE, then an EGL_NOT_INITIALIZED error is generated if dpy is
951     // a valid but uninitialized display.
952     if ( (ctx != EGL_NO_CONTEXT) || (read != EGL_NO_SURFACE) ||
953          (draw != EGL_NO_SURFACE) ) {
954         if (!dp->isReady()) return setError(EGL_NOT_INITIALIZED, (EGLBoolean)EGL_FALSE);
955     }
956 
957     // get a reference to the object passed in
958     ContextRef _c(dp.get(), ctx);
959     SurfaceRef _d(dp.get(), draw);
960     SurfaceRef _r(dp.get(), read);
961 
962     // validate the context (if not EGL_NO_CONTEXT)
963     if ((ctx != EGL_NO_CONTEXT) && !_c.get()) {
964         // EGL_NO_CONTEXT is valid
965         return setError(EGL_BAD_CONTEXT, (EGLBoolean)EGL_FALSE);
966     }
967 
968     // these are the underlying implementation's object
969     EGLContext impl_ctx  = EGL_NO_CONTEXT;
970     EGLSurface impl_draw = EGL_NO_SURFACE;
971     EGLSurface impl_read = EGL_NO_SURFACE;
972 
973     // these are our objects structs passed in
974     egl_context_t       * c = NULL;
975     egl_surface_t const * d = NULL;
976     egl_surface_t const * r = NULL;
977 
978     // these are the current objects structs
979     egl_context_t * cur_c = get_context(getContext());
980 
981     if (ctx != EGL_NO_CONTEXT) {
982         c = get_context(ctx);
983         impl_ctx = c->context;
984     } else {
985         // no context given, use the implementation of the current context
986         if (draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE) {
987             // calling eglMakeCurrent( ..., !=0, !=0, EGL_NO_CONTEXT);
988             return setError(EGL_BAD_MATCH, (EGLBoolean)EGL_FALSE);
989         }
990         if (cur_c == NULL) {
991             // no current context
992             // not an error, there is just no current context.
993             return EGL_TRUE;
994         }
995     }
996 
997     // retrieve the underlying implementation's draw EGLSurface
998     if (draw != EGL_NO_SURFACE) {
999         if (!_d.get()) return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
1000         d = get_surface(draw);
1001         impl_draw = d->surface;
1002     }
1003 
1004     // retrieve the underlying implementation's read EGLSurface
1005     if (read != EGL_NO_SURFACE) {
1006         if (!_r.get()) return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
1007         r = get_surface(read);
1008         impl_read = r->surface;
1009     }
1010 
1011 
1012     EGLBoolean result = dp->makeCurrent(c, cur_c,
1013             draw, read, ctx,
1014             impl_draw, impl_read, impl_ctx);
1015 
1016     if (result == EGL_TRUE) {
1017         if (c) {
1018             setGLHooksThreadSpecific(c->cnx->hooks[c->version]);
1019             egl_tls_t::setContext(ctx);
1020             _c.acquire();
1021             _r.acquire();
1022             _d.acquire();
1023         } else {
1024             setGLHooksThreadSpecific(&gHooksNoContext);
1025             egl_tls_t::setContext(EGL_NO_CONTEXT);
1026         }
1027     } else {
1028 
1029         if (cur_c != NULL) {
1030             // Force return to current context for drivers that cannot handle errors
1031             EGLBoolean restore_result = EGL_FALSE;
1032             // get a reference to the old current objects
1033             ContextRef _c2(dp.get(), cur_c);
1034             SurfaceRef _d2(dp.get(), cur_c->draw);
1035             SurfaceRef _r2(dp.get(), cur_c->read);
1036 
1037             c = cur_c;
1038             impl_ctx = c->context;
1039             impl_draw = EGL_NO_SURFACE;
1040             if (cur_c->draw != EGL_NO_SURFACE) {
1041                 d = get_surface(cur_c->draw);
1042                 impl_draw = d->surface;
1043             }
1044             impl_read = EGL_NO_SURFACE;
1045             if (cur_c->read != EGL_NO_SURFACE) {
1046                 r = get_surface(cur_c->read);
1047                 impl_read = r->surface;
1048             }
1049             restore_result = dp->makeCurrent(c, cur_c,
1050                     cur_c->draw, cur_c->read, cur_c->context,
1051                     impl_draw, impl_read, impl_ctx);
1052             if (restore_result == EGL_TRUE) {
1053                 _c2.acquire();
1054                 _r2.acquire();
1055                 _d2.acquire();
1056             } else {
1057                 ALOGE("Could not restore original EGL context");
1058             }
1059         }
1060         // this will ALOGE the error
1061         egl_connection_t* const cnx = &gEGLImpl;
1062         result = setError(cnx->egl.eglGetError(), (EGLBoolean)EGL_FALSE);
1063     }
1064     return result;
1065 }
1066 
1067 
eglQueryContext(EGLDisplay dpy,EGLContext ctx,EGLint attribute,EGLint * value)1068 EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx,
1069                             EGLint attribute, EGLint *value)
1070 {
1071     clearError();
1072 
1073     const egl_display_ptr dp = validate_display(dpy);
1074     if (!dp) return EGL_FALSE;
1075 
1076     ContextRef _c(dp.get(), ctx);
1077     if (!_c.get()) return setError(EGL_BAD_CONTEXT, (EGLBoolean)EGL_FALSE);
1078 
1079     egl_context_t * const c = get_context(ctx);
1080     return c->cnx->egl.eglQueryContext(
1081             dp->disp.dpy, c->context, attribute, value);
1082 
1083 }
1084 
eglGetCurrentContext(void)1085 EGLContext eglGetCurrentContext(void)
1086 {
1087     // could be called before eglInitialize(), but we wouldn't have a context
1088     // then, and this function would correctly return EGL_NO_CONTEXT.
1089 
1090     clearError();
1091 
1092     EGLContext ctx = getContext();
1093     return ctx;
1094 }
1095 
eglGetCurrentSurface(EGLint readdraw)1096 EGLSurface eglGetCurrentSurface(EGLint readdraw)
1097 {
1098     // could be called before eglInitialize(), but we wouldn't have a context
1099     // then, and this function would correctly return EGL_NO_SURFACE.
1100 
1101     clearError();
1102 
1103     EGLContext ctx = getContext();
1104     if (ctx) {
1105         egl_context_t const * const c = get_context(ctx);
1106         if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE);
1107         switch (readdraw) {
1108             case EGL_READ: return c->read;
1109             case EGL_DRAW: return c->draw;
1110             default: return setError(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
1111         }
1112     }
1113     return EGL_NO_SURFACE;
1114 }
1115 
eglGetCurrentDisplay(void)1116 EGLDisplay eglGetCurrentDisplay(void)
1117 {
1118     // could be called before eglInitialize(), but we wouldn't have a context
1119     // then, and this function would correctly return EGL_NO_DISPLAY.
1120 
1121     clearError();
1122 
1123     EGLContext ctx = getContext();
1124     if (ctx) {
1125         egl_context_t const * const c = get_context(ctx);
1126         if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE);
1127         return c->dpy;
1128     }
1129     return EGL_NO_DISPLAY;
1130 }
1131 
eglWaitGL(void)1132 EGLBoolean eglWaitGL(void)
1133 {
1134     clearError();
1135 
1136     egl_connection_t* const cnx = &gEGLImpl;
1137     if (!cnx->dso)
1138         return setError(EGL_BAD_CONTEXT, (EGLBoolean)EGL_FALSE);
1139 
1140     return cnx->egl.eglWaitGL();
1141 }
1142 
eglWaitNative(EGLint engine)1143 EGLBoolean eglWaitNative(EGLint engine)
1144 {
1145     clearError();
1146 
1147     egl_connection_t* const cnx = &gEGLImpl;
1148     if (!cnx->dso)
1149         return setError(EGL_BAD_CONTEXT, (EGLBoolean)EGL_FALSE);
1150 
1151     return cnx->egl.eglWaitNative(engine);
1152 }
1153 
eglGetError(void)1154 EGLint eglGetError(void)
1155 {
1156     EGLint err = EGL_SUCCESS;
1157     egl_connection_t* const cnx = &gEGLImpl;
1158     if (cnx->dso) {
1159         err = cnx->egl.eglGetError();
1160     }
1161     if (err == EGL_SUCCESS) {
1162         err = egl_tls_t::getError();
1163     }
1164     return err;
1165 }
1166 
findBuiltinWrapper(const char * procname)1167 static __eglMustCastToProperFunctionPointerType findBuiltinWrapper(
1168         const char* procname) {
1169     const egl_connection_t* cnx = &gEGLImpl;
1170     void* proc = NULL;
1171 
1172     proc = dlsym(cnx->libEgl, procname);
1173     if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
1174 
1175     proc = dlsym(cnx->libGles2, procname);
1176     if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
1177 
1178     proc = dlsym(cnx->libGles1, procname);
1179     if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
1180 
1181     return NULL;
1182 }
1183 
eglGetProcAddress(const char * procname)1184 __eglMustCastToProperFunctionPointerType eglGetProcAddress(const char *procname)
1185 {
1186     // eglGetProcAddress() could be the very first function called
1187     // in which case we must make sure we've initialized ourselves, this
1188     // happens the first time egl_get_display() is called.
1189 
1190     clearError();
1191 
1192     if (egl_init_drivers() == EGL_FALSE) {
1193         setError(EGL_BAD_PARAMETER, NULL);
1194         return  NULL;
1195     }
1196 
1197     if (FILTER_EXTENSIONS(procname)) {
1198         return NULL;
1199     }
1200 
1201     __eglMustCastToProperFunctionPointerType addr;
1202     addr = findProcAddress(procname, sExtensionMap, NELEM(sExtensionMap));
1203     if (addr) return addr;
1204 
1205     addr = findBuiltinWrapper(procname);
1206     if (addr) return addr;
1207 
1208     // this protects accesses to sGLExtentionMap and sGLExtentionSlot
1209     pthread_mutex_lock(&sExtensionMapMutex);
1210 
1211         /*
1212          * Since eglGetProcAddress() is not associated to anything, it needs
1213          * to return a function pointer that "works" regardless of what
1214          * the current context is.
1215          *
1216          * For this reason, we return a "forwarder", a small stub that takes
1217          * care of calling the function associated with the context
1218          * currently bound.
1219          *
1220          * We first look for extensions we've already resolved, if we're seeing
1221          * this extension for the first time, we go through all our
1222          * implementations and call eglGetProcAddress() and record the
1223          * result in the appropriate implementation hooks and return the
1224          * address of the forwarder corresponding to that hook set.
1225          *
1226          */
1227 
1228         const std::string name(procname);
1229 
1230     auto& extentionMap = sGLExtentionMap;
1231     auto pos = extentionMap.find(name);
1232         addr = (pos != extentionMap.end()) ? pos->second : nullptr;
1233         const int slot = sGLExtentionSlot;
1234 
1235         ALOGE_IF(slot >= MAX_NUMBER_OF_GL_EXTENSIONS,
1236                 "no more slots for eglGetProcAddress(\"%s\")",
1237                 procname);
1238 
1239         if (!addr && (slot < MAX_NUMBER_OF_GL_EXTENSIONS)) {
1240             bool found = false;
1241 
1242             egl_connection_t* const cnx = &gEGLImpl;
1243             if (cnx->dso && cnx->egl.eglGetProcAddress) {
1244                 // Extensions are independent of the bound context
1245                 addr =
1246                 cnx->hooks[egl_connection_t::GLESv1_INDEX]->ext.extensions[slot] =
1247                 cnx->hooks[egl_connection_t::GLESv2_INDEX]->ext.extensions[slot] =
1248                         cnx->egl.eglGetProcAddress(procname);
1249                 if (addr) found = true;
1250             }
1251 
1252             if (found) {
1253                 addr = gExtensionForwarders[slot];
1254                 extentionMap[name] = addr;
1255                 sGLExtentionSlot++;
1256             }
1257         }
1258 
1259     pthread_mutex_unlock(&sExtensionMapMutex);
1260     return addr;
1261 }
1262 
1263 class FrameCompletionThread {
1264 public:
1265 
queueSync(EGLSyncKHR sync)1266     static void queueSync(EGLSyncKHR sync) {
1267         static FrameCompletionThread thread;
1268 
1269         char name[64];
1270 
1271         std::lock_guard<std::mutex> lock(thread.mMutex);
1272         snprintf(name, sizeof(name), "kicked off frame %u", (unsigned int)thread.mFramesQueued);
1273         ATRACE_NAME(name);
1274 
1275         thread.mQueue.push_back(sync);
1276         thread.mCondition.notify_one();
1277         thread.mFramesQueued++;
1278         ATRACE_INT("GPU Frames Outstanding", int32_t(thread.mQueue.size()));
1279     }
1280 
1281 private:
1282 
FrameCompletionThread()1283     FrameCompletionThread() : mFramesQueued(0), mFramesCompleted(0) {
1284         std::thread thread(&FrameCompletionThread::loop, this);
1285         thread.detach();
1286     }
1287 
1288 #pragma clang diagnostic push
1289 #pragma clang diagnostic ignored "-Wmissing-noreturn"
loop()1290     void loop() {
1291         while (true) {
1292             threadLoop();
1293         }
1294     }
1295 #pragma clang diagnostic pop
1296 
threadLoop()1297     void threadLoop() {
1298         EGLSyncKHR sync;
1299         uint32_t frameNum;
1300         {
1301             std::unique_lock<std::mutex> lock(mMutex);
1302             while (mQueue.empty()) {
1303                 mCondition.wait(lock);
1304             }
1305             sync = mQueue[0];
1306             frameNum = mFramesCompleted;
1307         }
1308         EGLDisplay dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
1309         {
1310             char name[64];
1311             snprintf(name, sizeof(name), "waiting for frame %u", (unsigned int)frameNum);
1312             ATRACE_NAME(name);
1313 
1314             EGLint result = eglClientWaitSyncKHR(dpy, sync, 0, EGL_FOREVER_KHR);
1315             if (result == EGL_FALSE) {
1316                 ALOGE("FrameCompletion: error waiting for fence: %#x", eglGetError());
1317             } else if (result == EGL_TIMEOUT_EXPIRED_KHR) {
1318                 ALOGE("FrameCompletion: timeout waiting for fence");
1319             }
1320             eglDestroySyncKHR(dpy, sync);
1321         }
1322         {
1323             std::lock_guard<std::mutex> lock(mMutex);
1324             mQueue.pop_front();
1325             mFramesCompleted++;
1326             ATRACE_INT("GPU Frames Outstanding", int32_t(mQueue.size()));
1327         }
1328     }
1329 
1330     uint32_t mFramesQueued;
1331     uint32_t mFramesCompleted;
1332     std::deque<EGLSyncKHR> mQueue;
1333     std::condition_variable mCondition;
1334     std::mutex mMutex;
1335 };
1336 
eglSwapBuffersWithDamageKHR(EGLDisplay dpy,EGLSurface draw,EGLint * rects,EGLint n_rects)1337 EGLBoolean eglSwapBuffersWithDamageKHR(EGLDisplay dpy, EGLSurface draw,
1338         EGLint *rects, EGLint n_rects)
1339 {
1340     ATRACE_CALL();
1341     clearError();
1342 
1343     const egl_display_ptr dp = validate_display(dpy);
1344     if (!dp) return EGL_FALSE;
1345 
1346     SurfaceRef _s(dp.get(), draw);
1347     if (!_s.get())
1348         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
1349 
1350     egl_surface_t const * const s = get_surface(draw);
1351 
1352     if (CC_UNLIKELY(dp->traceGpuCompletion)) {
1353         EGLSyncKHR sync = eglCreateSyncKHR(dpy, EGL_SYNC_FENCE_KHR, NULL);
1354         if (sync != EGL_NO_SYNC_KHR) {
1355             FrameCompletionThread::queueSync(sync);
1356         }
1357     }
1358 
1359     if (CC_UNLIKELY(dp->finishOnSwap)) {
1360         uint32_t pixel;
1361         egl_context_t * const c = get_context( egl_tls_t::getContext() );
1362         if (c) {
1363             // glReadPixels() ensures that the frame is complete
1364             s->cnx->hooks[c->version]->gl.glReadPixels(0,0,1,1,
1365                     GL_RGBA,GL_UNSIGNED_BYTE,&pixel);
1366         }
1367     }
1368 
1369     if (n_rects == 0) {
1370         return s->cnx->egl.eglSwapBuffers(dp->disp.dpy, s->surface);
1371     }
1372 
1373     std::vector<android_native_rect_t> androidRects((size_t)n_rects);
1374     for (int r = 0; r < n_rects; ++r) {
1375         int offset = r * 4;
1376         int x = rects[offset];
1377         int y = rects[offset + 1];
1378         int width = rects[offset + 2];
1379         int height = rects[offset + 3];
1380         android_native_rect_t androidRect;
1381         androidRect.left = x;
1382         androidRect.top = y + height;
1383         androidRect.right = x + width;
1384         androidRect.bottom = y;
1385         androidRects.push_back(androidRect);
1386     }
1387     native_window_set_surface_damage(s->getNativeWindow(), androidRects.data(), androidRects.size());
1388 
1389     if (s->cnx->egl.eglSwapBuffersWithDamageKHR) {
1390         return s->cnx->egl.eglSwapBuffersWithDamageKHR(dp->disp.dpy, s->surface,
1391                 rects, n_rects);
1392     } else {
1393         return s->cnx->egl.eglSwapBuffers(dp->disp.dpy, s->surface);
1394     }
1395 }
1396 
eglSwapBuffers(EGLDisplay dpy,EGLSurface surface)1397 EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface surface)
1398 {
1399     return eglSwapBuffersWithDamageKHR(dpy, surface, NULL, 0);
1400 }
1401 
eglCopyBuffers(EGLDisplay dpy,EGLSurface surface,NativePixmapType target)1402 EGLBoolean eglCopyBuffers(  EGLDisplay dpy, EGLSurface surface,
1403                             NativePixmapType target)
1404 {
1405     clearError();
1406 
1407     const egl_display_ptr dp = validate_display(dpy);
1408     if (!dp) return EGL_FALSE;
1409 
1410     SurfaceRef _s(dp.get(), surface);
1411     if (!_s.get())
1412         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
1413 
1414     egl_surface_t const * const s = get_surface(surface);
1415     return s->cnx->egl.eglCopyBuffers(dp->disp.dpy, s->surface, target);
1416 }
1417 
eglQueryString(EGLDisplay dpy,EGLint name)1418 const char* eglQueryString(EGLDisplay dpy, EGLint name)
1419 {
1420     clearError();
1421 
1422     // Generate an error quietly when client extensions (as defined by
1423     // EGL_EXT_client_extensions) are queried.  We do not want to rely on
1424     // validate_display to generate the error as validate_display would log
1425     // the error, which can be misleading.
1426     //
1427     // If we want to support EGL_EXT_client_extensions later, we can return
1428     // the client extension string here instead.
1429     if (dpy == EGL_NO_DISPLAY && name == EGL_EXTENSIONS)
1430         return setErrorQuiet(EGL_BAD_DISPLAY, (const char*)0);
1431 
1432     const egl_display_ptr dp = validate_display(dpy);
1433     if (!dp) return (const char *) NULL;
1434 
1435     switch (name) {
1436         case EGL_VENDOR:
1437             return dp->getVendorString();
1438         case EGL_VERSION:
1439             return dp->getVersionString();
1440         case EGL_EXTENSIONS:
1441             return dp->getExtensionString();
1442         case EGL_CLIENT_APIS:
1443             return dp->getClientApiString();
1444         default:
1445             break;
1446     }
1447     return setError(EGL_BAD_PARAMETER, (const char *)0);
1448 }
1449 
eglQueryStringImplementationANDROID(EGLDisplay dpy,EGLint name)1450 extern "C" EGLAPI const char* eglQueryStringImplementationANDROID(EGLDisplay dpy, EGLint name)
1451 {
1452     clearError();
1453 
1454     const egl_display_ptr dp = validate_display(dpy);
1455     if (!dp) return (const char *) NULL;
1456 
1457     switch (name) {
1458         case EGL_VENDOR:
1459             return dp->disp.queryString.vendor;
1460         case EGL_VERSION:
1461             return dp->disp.queryString.version;
1462         case EGL_EXTENSIONS:
1463             return dp->disp.queryString.extensions;
1464         case EGL_CLIENT_APIS:
1465             return dp->disp.queryString.clientApi;
1466         default:
1467             break;
1468     }
1469     return setError(EGL_BAD_PARAMETER, (const char *)0);
1470 }
1471 
1472 // ----------------------------------------------------------------------------
1473 // EGL 1.1
1474 // ----------------------------------------------------------------------------
1475 
eglSurfaceAttrib(EGLDisplay dpy,EGLSurface surface,EGLint attribute,EGLint value)1476 EGLBoolean eglSurfaceAttrib(
1477         EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value)
1478 {
1479     clearError();
1480 
1481     const egl_display_ptr dp = validate_display(dpy);
1482     if (!dp) return EGL_FALSE;
1483 
1484     SurfaceRef _s(dp.get(), surface);
1485     if (!_s.get())
1486         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
1487 
1488     egl_surface_t * const s = get_surface(surface);
1489 
1490     if (attribute == EGL_FRONT_BUFFER_AUTO_REFRESH_ANDROID) {
1491         if (!s->getNativeWindow()) {
1492             setError(EGL_BAD_SURFACE, EGL_FALSE);
1493         }
1494         int err = native_window_set_auto_refresh(s->getNativeWindow(), value != 0);
1495         return (err == 0) ? EGL_TRUE : setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
1496     }
1497 
1498     if (attribute == EGL_TIMESTAMPS_ANDROID) {
1499         if (!s->getNativeWindow()) {
1500             return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
1501         }
1502         int err = native_window_enable_frame_timestamps(s->getNativeWindow(), value != 0);
1503         return (err == 0) ? EGL_TRUE : setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
1504     }
1505 
1506     if (s->cnx->egl.eglSurfaceAttrib) {
1507         return s->cnx->egl.eglSurfaceAttrib(
1508                 dp->disp.dpy, s->surface, attribute, value);
1509     }
1510     return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
1511 }
1512 
eglBindTexImage(EGLDisplay dpy,EGLSurface surface,EGLint buffer)1513 EGLBoolean eglBindTexImage(
1514         EGLDisplay dpy, EGLSurface surface, EGLint buffer)
1515 {
1516     clearError();
1517 
1518     const egl_display_ptr dp = validate_display(dpy);
1519     if (!dp) return EGL_FALSE;
1520 
1521     SurfaceRef _s(dp.get(), surface);
1522     if (!_s.get())
1523         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
1524 
1525     egl_surface_t const * const s = get_surface(surface);
1526     if (s->cnx->egl.eglBindTexImage) {
1527         return s->cnx->egl.eglBindTexImage(
1528                 dp->disp.dpy, s->surface, buffer);
1529     }
1530     return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
1531 }
1532 
eglReleaseTexImage(EGLDisplay dpy,EGLSurface surface,EGLint buffer)1533 EGLBoolean eglReleaseTexImage(
1534         EGLDisplay dpy, EGLSurface surface, EGLint buffer)
1535 {
1536     clearError();
1537 
1538     const egl_display_ptr dp = validate_display(dpy);
1539     if (!dp) return EGL_FALSE;
1540 
1541     SurfaceRef _s(dp.get(), surface);
1542     if (!_s.get())
1543         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
1544 
1545     egl_surface_t const * const s = get_surface(surface);
1546     if (s->cnx->egl.eglReleaseTexImage) {
1547         return s->cnx->egl.eglReleaseTexImage(
1548                 dp->disp.dpy, s->surface, buffer);
1549     }
1550     return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
1551 }
1552 
eglSwapInterval(EGLDisplay dpy,EGLint interval)1553 EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint interval)
1554 {
1555     clearError();
1556 
1557     const egl_display_ptr dp = validate_display(dpy);
1558     if (!dp) return EGL_FALSE;
1559 
1560     EGLBoolean res = EGL_TRUE;
1561     egl_connection_t* const cnx = &gEGLImpl;
1562     if (cnx->dso && cnx->egl.eglSwapInterval) {
1563         res = cnx->egl.eglSwapInterval(dp->disp.dpy, interval);
1564     }
1565 
1566     return res;
1567 }
1568 
1569 
1570 // ----------------------------------------------------------------------------
1571 // EGL 1.2
1572 // ----------------------------------------------------------------------------
1573 
eglWaitClient(void)1574 EGLBoolean eglWaitClient(void)
1575 {
1576     clearError();
1577 
1578     egl_connection_t* const cnx = &gEGLImpl;
1579     if (!cnx->dso)
1580         return setError(EGL_BAD_CONTEXT, (EGLBoolean)EGL_FALSE);
1581 
1582     EGLBoolean res;
1583     if (cnx->egl.eglWaitClient) {
1584         res = cnx->egl.eglWaitClient();
1585     } else {
1586         res = cnx->egl.eglWaitGL();
1587     }
1588     return res;
1589 }
1590 
eglBindAPI(EGLenum api)1591 EGLBoolean eglBindAPI(EGLenum api)
1592 {
1593     clearError();
1594 
1595     if (egl_init_drivers() == EGL_FALSE) {
1596         return setError(EGL_BAD_PARAMETER, (EGLBoolean)EGL_FALSE);
1597     }
1598 
1599     // bind this API on all EGLs
1600     EGLBoolean res = EGL_TRUE;
1601     egl_connection_t* const cnx = &gEGLImpl;
1602     if (cnx->dso && cnx->egl.eglBindAPI) {
1603         res = cnx->egl.eglBindAPI(api);
1604     }
1605     return res;
1606 }
1607 
eglQueryAPI(void)1608 EGLenum eglQueryAPI(void)
1609 {
1610     clearError();
1611 
1612     if (egl_init_drivers() == EGL_FALSE) {
1613         return setError(EGL_BAD_PARAMETER, (EGLBoolean)EGL_FALSE);
1614     }
1615 
1616     egl_connection_t* const cnx = &gEGLImpl;
1617     if (cnx->dso && cnx->egl.eglQueryAPI) {
1618         return cnx->egl.eglQueryAPI();
1619     }
1620 
1621     // or, it can only be OpenGL ES
1622     return EGL_OPENGL_ES_API;
1623 }
1624 
eglReleaseThread(void)1625 EGLBoolean eglReleaseThread(void)
1626 {
1627     clearError();
1628 
1629     egl_connection_t* const cnx = &gEGLImpl;
1630     if (cnx->dso && cnx->egl.eglReleaseThread) {
1631         cnx->egl.eglReleaseThread();
1632     }
1633 
1634     // If there is context bound to the thread, release it
1635     egl_display_t::loseCurrent(get_context(getContext()));
1636 
1637     egl_tls_t::clearTLS();
1638     return EGL_TRUE;
1639 }
1640 
eglCreatePbufferFromClientBuffer(EGLDisplay dpy,EGLenum buftype,EGLClientBuffer buffer,EGLConfig config,const EGLint * attrib_list)1641 EGLSurface eglCreatePbufferFromClientBuffer(
1642           EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer,
1643           EGLConfig config, const EGLint *attrib_list)
1644 {
1645     clearError();
1646 
1647     egl_connection_t* cnx = NULL;
1648     const egl_display_ptr dp = validate_display_connection(dpy, cnx);
1649     if (!dp) return EGL_FALSE;
1650     if (cnx->egl.eglCreatePbufferFromClientBuffer) {
1651         return cnx->egl.eglCreatePbufferFromClientBuffer(
1652                 dp->disp.dpy, buftype, buffer, config, attrib_list);
1653     }
1654     return setError(EGL_BAD_CONFIG, EGL_NO_SURFACE);
1655 }
1656 
1657 // ----------------------------------------------------------------------------
1658 // EGL_EGLEXT_VERSION 3
1659 // ----------------------------------------------------------------------------
1660 
eglLockSurfaceKHR(EGLDisplay dpy,EGLSurface surface,const EGLint * attrib_list)1661 EGLBoolean eglLockSurfaceKHR(EGLDisplay dpy, EGLSurface surface,
1662         const EGLint *attrib_list)
1663 {
1664     clearError();
1665 
1666     const egl_display_ptr dp = validate_display(dpy);
1667     if (!dp) return EGL_FALSE;
1668 
1669     SurfaceRef _s(dp.get(), surface);
1670     if (!_s.get())
1671         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
1672 
1673     egl_surface_t const * const s = get_surface(surface);
1674     if (s->cnx->egl.eglLockSurfaceKHR) {
1675         return s->cnx->egl.eglLockSurfaceKHR(
1676                 dp->disp.dpy, s->surface, attrib_list);
1677     }
1678     return setError(EGL_BAD_DISPLAY, (EGLBoolean)EGL_FALSE);
1679 }
1680 
eglUnlockSurfaceKHR(EGLDisplay dpy,EGLSurface surface)1681 EGLBoolean eglUnlockSurfaceKHR(EGLDisplay dpy, EGLSurface surface)
1682 {
1683     clearError();
1684 
1685     const egl_display_ptr dp = validate_display(dpy);
1686     if (!dp) return EGL_FALSE;
1687 
1688     SurfaceRef _s(dp.get(), surface);
1689     if (!_s.get())
1690         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
1691 
1692     egl_surface_t const * const s = get_surface(surface);
1693     if (s->cnx->egl.eglUnlockSurfaceKHR) {
1694         return s->cnx->egl.eglUnlockSurfaceKHR(dp->disp.dpy, s->surface);
1695     }
1696     return setError(EGL_BAD_DISPLAY, (EGLBoolean)EGL_FALSE);
1697 }
1698 
eglCreateImageKHR(EGLDisplay dpy,EGLContext ctx,EGLenum target,EGLClientBuffer buffer,const EGLint * attrib_list)1699 EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target,
1700         EGLClientBuffer buffer, const EGLint *attrib_list)
1701 {
1702     clearError();
1703 
1704     const egl_display_ptr dp = validate_display(dpy);
1705     if (!dp) return EGL_NO_IMAGE_KHR;
1706 
1707     ContextRef _c(dp.get(), ctx);
1708     egl_context_t * const c = _c.get();
1709 
1710     EGLImageKHR result = EGL_NO_IMAGE_KHR;
1711     egl_connection_t* const cnx = &gEGLImpl;
1712     if (cnx->dso && cnx->egl.eglCreateImageKHR) {
1713         result = cnx->egl.eglCreateImageKHR(
1714                 dp->disp.dpy,
1715                 c ? c->context : EGL_NO_CONTEXT,
1716                 target, buffer, attrib_list);
1717     }
1718     return result;
1719 }
1720 
eglDestroyImageKHR(EGLDisplay dpy,EGLImageKHR img)1721 EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img)
1722 {
1723     clearError();
1724 
1725     const egl_display_ptr dp = validate_display(dpy);
1726     if (!dp) return EGL_FALSE;
1727 
1728     EGLBoolean result = EGL_FALSE;
1729     egl_connection_t* const cnx = &gEGLImpl;
1730     if (cnx->dso && cnx->egl.eglDestroyImageKHR) {
1731         result = cnx->egl.eglDestroyImageKHR(dp->disp.dpy, img);
1732     }
1733     return result;
1734 }
1735 
1736 // ----------------------------------------------------------------------------
1737 // EGL_EGLEXT_VERSION 5
1738 // ----------------------------------------------------------------------------
1739 
1740 
eglCreateSyncKHR(EGLDisplay dpy,EGLenum type,const EGLint * attrib_list)1741 EGLSyncKHR eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list)
1742 {
1743     clearError();
1744 
1745     const egl_display_ptr dp = validate_display(dpy);
1746     if (!dp) return EGL_NO_SYNC_KHR;
1747 
1748     EGLSyncKHR result = EGL_NO_SYNC_KHR;
1749     egl_connection_t* const cnx = &gEGLImpl;
1750     if (cnx->dso && cnx->egl.eglCreateSyncKHR) {
1751         result = cnx->egl.eglCreateSyncKHR(dp->disp.dpy, type, attrib_list);
1752     }
1753     return result;
1754 }
1755 
eglDestroySyncKHR(EGLDisplay dpy,EGLSyncKHR sync)1756 EGLBoolean eglDestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync)
1757 {
1758     clearError();
1759 
1760     const egl_display_ptr dp = validate_display(dpy);
1761     if (!dp) return EGL_FALSE;
1762 
1763     EGLBoolean result = EGL_FALSE;
1764     egl_connection_t* const cnx = &gEGLImpl;
1765     if (cnx->dso && cnx->egl.eglDestroySyncKHR) {
1766         result = cnx->egl.eglDestroySyncKHR(dp->disp.dpy, sync);
1767     }
1768     return result;
1769 }
1770 
eglSignalSyncKHR(EGLDisplay dpy,EGLSyncKHR sync,EGLenum mode)1771 EGLBoolean eglSignalSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode) {
1772     clearError();
1773 
1774     const egl_display_ptr dp = validate_display(dpy);
1775     if (!dp) return EGL_FALSE;
1776 
1777     EGLBoolean result = EGL_FALSE;
1778     egl_connection_t* const cnx = &gEGLImpl;
1779     if (cnx->dso && cnx->egl.eglSignalSyncKHR) {
1780         result = cnx->egl.eglSignalSyncKHR(
1781                 dp->disp.dpy, sync, mode);
1782     }
1783     return result;
1784 }
1785 
eglClientWaitSyncKHR(EGLDisplay dpy,EGLSyncKHR sync,EGLint flags,EGLTimeKHR timeout)1786 EGLint eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync,
1787         EGLint flags, EGLTimeKHR timeout)
1788 {
1789     clearError();
1790 
1791     const egl_display_ptr dp = validate_display(dpy);
1792     if (!dp) return EGL_FALSE;
1793 
1794     EGLint result = EGL_FALSE;
1795     egl_connection_t* const cnx = &gEGLImpl;
1796     if (cnx->dso && cnx->egl.eglClientWaitSyncKHR) {
1797         result = cnx->egl.eglClientWaitSyncKHR(
1798                 dp->disp.dpy, sync, flags, timeout);
1799     }
1800     return result;
1801 }
1802 
eglGetSyncAttribKHR(EGLDisplay dpy,EGLSyncKHR sync,EGLint attribute,EGLint * value)1803 EGLBoolean eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync,
1804         EGLint attribute, EGLint *value)
1805 {
1806     clearError();
1807 
1808     const egl_display_ptr dp = validate_display(dpy);
1809     if (!dp) return EGL_FALSE;
1810 
1811     EGLBoolean result = EGL_FALSE;
1812     egl_connection_t* const cnx = &gEGLImpl;
1813     if (cnx->dso && cnx->egl.eglGetSyncAttribKHR) {
1814         result = cnx->egl.eglGetSyncAttribKHR(
1815                 dp->disp.dpy, sync, attribute, value);
1816     }
1817     return result;
1818 }
1819 
eglCreateStreamKHR(EGLDisplay dpy,const EGLint * attrib_list)1820 EGLStreamKHR eglCreateStreamKHR(EGLDisplay dpy, const EGLint *attrib_list)
1821 {
1822     clearError();
1823 
1824     const egl_display_ptr dp = validate_display(dpy);
1825     if (!dp) return EGL_NO_STREAM_KHR;
1826 
1827     EGLStreamKHR result = EGL_NO_STREAM_KHR;
1828     egl_connection_t* const cnx = &gEGLImpl;
1829     if (cnx->dso && cnx->egl.eglCreateStreamKHR) {
1830         result = cnx->egl.eglCreateStreamKHR(
1831                 dp->disp.dpy, attrib_list);
1832     }
1833     return result;
1834 }
1835 
eglDestroyStreamKHR(EGLDisplay dpy,EGLStreamKHR stream)1836 EGLBoolean eglDestroyStreamKHR(EGLDisplay dpy, EGLStreamKHR stream)
1837 {
1838     clearError();
1839 
1840     const egl_display_ptr dp = validate_display(dpy);
1841     if (!dp) return EGL_FALSE;
1842 
1843     EGLBoolean result = EGL_FALSE;
1844     egl_connection_t* const cnx = &gEGLImpl;
1845     if (cnx->dso && cnx->egl.eglDestroyStreamKHR) {
1846         result = cnx->egl.eglDestroyStreamKHR(
1847                 dp->disp.dpy, stream);
1848     }
1849     return result;
1850 }
1851 
eglStreamAttribKHR(EGLDisplay dpy,EGLStreamKHR stream,EGLenum attribute,EGLint value)1852 EGLBoolean eglStreamAttribKHR(EGLDisplay dpy, EGLStreamKHR stream,
1853         EGLenum attribute, EGLint value)
1854 {
1855     clearError();
1856 
1857     const egl_display_ptr dp = validate_display(dpy);
1858     if (!dp) return EGL_FALSE;
1859 
1860     EGLBoolean result = EGL_FALSE;
1861     egl_connection_t* const cnx = &gEGLImpl;
1862     if (cnx->dso && cnx->egl.eglStreamAttribKHR) {
1863         result = cnx->egl.eglStreamAttribKHR(
1864                 dp->disp.dpy, stream, attribute, value);
1865     }
1866     return result;
1867 }
1868 
eglQueryStreamKHR(EGLDisplay dpy,EGLStreamKHR stream,EGLenum attribute,EGLint * value)1869 EGLBoolean eglQueryStreamKHR(EGLDisplay dpy, EGLStreamKHR stream,
1870         EGLenum attribute, EGLint *value)
1871 {
1872     clearError();
1873 
1874     const egl_display_ptr dp = validate_display(dpy);
1875     if (!dp) return EGL_FALSE;
1876 
1877     EGLBoolean result = EGL_FALSE;
1878     egl_connection_t* const cnx = &gEGLImpl;
1879     if (cnx->dso && cnx->egl.eglQueryStreamKHR) {
1880         result = cnx->egl.eglQueryStreamKHR(
1881                 dp->disp.dpy, stream, attribute, value);
1882     }
1883     return result;
1884 }
1885 
eglQueryStreamu64KHR(EGLDisplay dpy,EGLStreamKHR stream,EGLenum attribute,EGLuint64KHR * value)1886 EGLBoolean eglQueryStreamu64KHR(EGLDisplay dpy, EGLStreamKHR stream,
1887         EGLenum attribute, EGLuint64KHR *value)
1888 {
1889     clearError();
1890 
1891     const egl_display_ptr dp = validate_display(dpy);
1892     if (!dp) return EGL_FALSE;
1893 
1894     EGLBoolean result = EGL_FALSE;
1895     egl_connection_t* const cnx = &gEGLImpl;
1896     if (cnx->dso && cnx->egl.eglQueryStreamu64KHR) {
1897         result = cnx->egl.eglQueryStreamu64KHR(
1898                 dp->disp.dpy, stream, attribute, value);
1899     }
1900     return result;
1901 }
1902 
eglQueryStreamTimeKHR(EGLDisplay dpy,EGLStreamKHR stream,EGLenum attribute,EGLTimeKHR * value)1903 EGLBoolean eglQueryStreamTimeKHR(EGLDisplay dpy, EGLStreamKHR stream,
1904         EGLenum attribute, EGLTimeKHR *value)
1905 {
1906     clearError();
1907 
1908     const egl_display_ptr dp = validate_display(dpy);
1909     if (!dp) return EGL_FALSE;
1910 
1911     EGLBoolean result = EGL_FALSE;
1912     egl_connection_t* const cnx = &gEGLImpl;
1913     if (cnx->dso && cnx->egl.eglQueryStreamTimeKHR) {
1914         result = cnx->egl.eglQueryStreamTimeKHR(
1915                 dp->disp.dpy, stream, attribute, value);
1916     }
1917     return result;
1918 }
1919 
eglCreateStreamProducerSurfaceKHR(EGLDisplay dpy,EGLConfig config,EGLStreamKHR stream,const EGLint * attrib_list)1920 EGLSurface eglCreateStreamProducerSurfaceKHR(EGLDisplay dpy, EGLConfig config,
1921         EGLStreamKHR stream, const EGLint *attrib_list)
1922 {
1923     clearError();
1924 
1925     egl_display_ptr dp = validate_display(dpy);
1926     if (!dp) return EGL_NO_SURFACE;
1927 
1928     EGLint colorSpace = EGL_GL_COLORSPACE_LINEAR_KHR;
1929     android_dataspace dataSpace = HAL_DATASPACE_UNKNOWN;
1930     // TODO: Probably need to update EGL_KHR_stream_producer_eglsurface to
1931     // indicate support for EGL_GL_COLORSPACE_KHR.
1932     // now select a corresponding sRGB format if needed
1933     if (!getColorSpaceAttribute(dp, attrib_list, colorSpace, dataSpace)) {
1934         ALOGE("error invalid colorspace: %d", colorSpace);
1935         return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
1936     }
1937 
1938     egl_connection_t* const cnx = &gEGLImpl;
1939     if (cnx->dso && cnx->egl.eglCreateStreamProducerSurfaceKHR) {
1940         EGLSurface surface = cnx->egl.eglCreateStreamProducerSurfaceKHR(
1941                 dp->disp.dpy, config, stream, attrib_list);
1942         if (surface != EGL_NO_SURFACE) {
1943             egl_surface_t* s = new egl_surface_t(dp.get(), config, NULL, surface, colorSpace, cnx);
1944             return s;
1945         }
1946     }
1947     return EGL_NO_SURFACE;
1948 }
1949 
eglStreamConsumerGLTextureExternalKHR(EGLDisplay dpy,EGLStreamKHR stream)1950 EGLBoolean eglStreamConsumerGLTextureExternalKHR(EGLDisplay dpy,
1951         EGLStreamKHR stream)
1952 {
1953     clearError();
1954 
1955     const egl_display_ptr dp = validate_display(dpy);
1956     if (!dp) return EGL_FALSE;
1957 
1958     EGLBoolean result = EGL_FALSE;
1959     egl_connection_t* const cnx = &gEGLImpl;
1960     if (cnx->dso && cnx->egl.eglStreamConsumerGLTextureExternalKHR) {
1961         result = cnx->egl.eglStreamConsumerGLTextureExternalKHR(
1962                 dp->disp.dpy, stream);
1963     }
1964     return result;
1965 }
1966 
eglStreamConsumerAcquireKHR(EGLDisplay dpy,EGLStreamKHR stream)1967 EGLBoolean eglStreamConsumerAcquireKHR(EGLDisplay dpy,
1968         EGLStreamKHR stream)
1969 {
1970     clearError();
1971 
1972     const egl_display_ptr dp = validate_display(dpy);
1973     if (!dp) return EGL_FALSE;
1974 
1975     EGLBoolean result = EGL_FALSE;
1976     egl_connection_t* const cnx = &gEGLImpl;
1977     if (cnx->dso && cnx->egl.eglStreamConsumerAcquireKHR) {
1978         result = cnx->egl.eglStreamConsumerAcquireKHR(
1979                 dp->disp.dpy, stream);
1980     }
1981     return result;
1982 }
1983 
eglStreamConsumerReleaseKHR(EGLDisplay dpy,EGLStreamKHR stream)1984 EGLBoolean eglStreamConsumerReleaseKHR(EGLDisplay dpy,
1985         EGLStreamKHR stream)
1986 {
1987     clearError();
1988 
1989     const egl_display_ptr dp = validate_display(dpy);
1990     if (!dp) return EGL_FALSE;
1991 
1992     EGLBoolean result = EGL_FALSE;
1993     egl_connection_t* const cnx = &gEGLImpl;
1994     if (cnx->dso && cnx->egl.eglStreamConsumerReleaseKHR) {
1995         result = cnx->egl.eglStreamConsumerReleaseKHR(
1996                 dp->disp.dpy, stream);
1997     }
1998     return result;
1999 }
2000 
eglGetStreamFileDescriptorKHR(EGLDisplay dpy,EGLStreamKHR stream)2001 EGLNativeFileDescriptorKHR eglGetStreamFileDescriptorKHR(
2002         EGLDisplay dpy, EGLStreamKHR stream)
2003 {
2004     clearError();
2005 
2006     const egl_display_ptr dp = validate_display(dpy);
2007     if (!dp) return EGL_NO_FILE_DESCRIPTOR_KHR;
2008 
2009     EGLNativeFileDescriptorKHR result = EGL_NO_FILE_DESCRIPTOR_KHR;
2010     egl_connection_t* const cnx = &gEGLImpl;
2011     if (cnx->dso && cnx->egl.eglGetStreamFileDescriptorKHR) {
2012         result = cnx->egl.eglGetStreamFileDescriptorKHR(
2013                 dp->disp.dpy, stream);
2014     }
2015     return result;
2016 }
2017 
eglCreateStreamFromFileDescriptorKHR(EGLDisplay dpy,EGLNativeFileDescriptorKHR file_descriptor)2018 EGLStreamKHR eglCreateStreamFromFileDescriptorKHR(
2019         EGLDisplay dpy, EGLNativeFileDescriptorKHR file_descriptor)
2020 {
2021     clearError();
2022 
2023     const egl_display_ptr dp = validate_display(dpy);
2024     if (!dp) return EGL_NO_STREAM_KHR;
2025 
2026     EGLStreamKHR result = EGL_NO_STREAM_KHR;
2027     egl_connection_t* const cnx = &gEGLImpl;
2028     if (cnx->dso && cnx->egl.eglCreateStreamFromFileDescriptorKHR) {
2029         result = cnx->egl.eglCreateStreamFromFileDescriptorKHR(
2030                 dp->disp.dpy, file_descriptor);
2031     }
2032     return result;
2033 }
2034 
2035 // ----------------------------------------------------------------------------
2036 // EGL_EGLEXT_VERSION 15
2037 // ----------------------------------------------------------------------------
2038 
eglWaitSyncKHR(EGLDisplay dpy,EGLSyncKHR sync,EGLint flags)2039 EGLint eglWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags) {
2040     clearError();
2041     const egl_display_ptr dp = validate_display(dpy);
2042     if (!dp) return EGL_FALSE;
2043     EGLint result = EGL_FALSE;
2044     egl_connection_t* const cnx = &gEGLImpl;
2045     if (cnx->dso && cnx->egl.eglWaitSyncKHR) {
2046         result = cnx->egl.eglWaitSyncKHR(dp->disp.dpy, sync, flags);
2047     }
2048     return result;
2049 }
2050 
2051 // ----------------------------------------------------------------------------
2052 // ANDROID extensions
2053 // ----------------------------------------------------------------------------
2054 
eglDupNativeFenceFDANDROID(EGLDisplay dpy,EGLSyncKHR sync)2055 EGLint eglDupNativeFenceFDANDROID(EGLDisplay dpy, EGLSyncKHR sync)
2056 {
2057     clearError();
2058 
2059     const egl_display_ptr dp = validate_display(dpy);
2060     if (!dp) return EGL_NO_NATIVE_FENCE_FD_ANDROID;
2061 
2062     EGLint result = EGL_NO_NATIVE_FENCE_FD_ANDROID;
2063     egl_connection_t* const cnx = &gEGLImpl;
2064     if (cnx->dso && cnx->egl.eglDupNativeFenceFDANDROID) {
2065         result = cnx->egl.eglDupNativeFenceFDANDROID(dp->disp.dpy, sync);
2066     }
2067     return result;
2068 }
2069 
eglPresentationTimeANDROID(EGLDisplay dpy,EGLSurface surface,EGLnsecsANDROID time)2070 EGLBoolean eglPresentationTimeANDROID(EGLDisplay dpy, EGLSurface surface,
2071         EGLnsecsANDROID time)
2072 {
2073     clearError();
2074 
2075     const egl_display_ptr dp = validate_display(dpy);
2076     if (!dp) {
2077         return EGL_FALSE;
2078     }
2079 
2080     SurfaceRef _s(dp.get(), surface);
2081     if (!_s.get()) {
2082         setError(EGL_BAD_SURFACE, EGL_FALSE);
2083         return EGL_FALSE;
2084     }
2085 
2086     egl_surface_t const * const s = get_surface(surface);
2087     native_window_set_buffers_timestamp(s->getNativeWindow(), time);
2088 
2089     return EGL_TRUE;
2090 }
2091 
eglGetNativeClientBufferANDROID(const AHardwareBuffer * buffer)2092 EGLClientBuffer eglGetNativeClientBufferANDROID(const AHardwareBuffer *buffer) {
2093     clearError();
2094     // AHardwareBuffer_to_ANativeWindowBuffer is a platform-only symbol and thus
2095     // this function cannot be implemented when this libEGL is built for
2096     // vendors.
2097 #ifndef __ANDROID_VNDK__
2098     if (!buffer) return setError(EGL_BAD_PARAMETER, (EGLClientBuffer)0);
2099     return const_cast<ANativeWindowBuffer *>(AHardwareBuffer_to_ANativeWindowBuffer(buffer));
2100 #else
2101     return setError(EGL_BAD_PARAMETER, (EGLClientBuffer)0);
2102 #endif
2103 }
2104 
2105 // ----------------------------------------------------------------------------
2106 // NVIDIA extensions
2107 // ----------------------------------------------------------------------------
eglGetSystemTimeFrequencyNV()2108 EGLuint64NV eglGetSystemTimeFrequencyNV()
2109 {
2110     clearError();
2111 
2112     if (egl_init_drivers() == EGL_FALSE) {
2113         return setError(EGL_BAD_PARAMETER, (EGLuint64NV)EGL_FALSE);
2114     }
2115 
2116     EGLuint64NV ret = 0;
2117     egl_connection_t* const cnx = &gEGLImpl;
2118 
2119     if (cnx->dso && cnx->egl.eglGetSystemTimeFrequencyNV) {
2120         return cnx->egl.eglGetSystemTimeFrequencyNV();
2121     }
2122 
2123     return setErrorQuiet(EGL_BAD_DISPLAY, (EGLuint64NV)0);
2124 }
2125 
eglGetSystemTimeNV()2126 EGLuint64NV eglGetSystemTimeNV()
2127 {
2128     clearError();
2129 
2130     if (egl_init_drivers() == EGL_FALSE) {
2131         return setError(EGL_BAD_PARAMETER, (EGLuint64NV)EGL_FALSE);
2132     }
2133 
2134     EGLuint64NV ret = 0;
2135     egl_connection_t* const cnx = &gEGLImpl;
2136 
2137     if (cnx->dso && cnx->egl.eglGetSystemTimeNV) {
2138         return cnx->egl.eglGetSystemTimeNV();
2139     }
2140 
2141     return setErrorQuiet(EGL_BAD_DISPLAY, (EGLuint64NV)0);
2142 }
2143 
2144 // ----------------------------------------------------------------------------
2145 // Partial update extension
2146 // ----------------------------------------------------------------------------
eglSetDamageRegionKHR(EGLDisplay dpy,EGLSurface surface,EGLint * rects,EGLint n_rects)2147 EGLBoolean eglSetDamageRegionKHR(EGLDisplay dpy, EGLSurface surface,
2148         EGLint *rects, EGLint n_rects)
2149 {
2150     clearError();
2151 
2152     const egl_display_ptr dp = validate_display(dpy);
2153     if (!dp) {
2154         setError(EGL_BAD_DISPLAY, EGL_FALSE);
2155         return EGL_FALSE;
2156     }
2157 
2158     SurfaceRef _s(dp.get(), surface);
2159     if (!_s.get()) {
2160         setError(EGL_BAD_SURFACE, EGL_FALSE);
2161         return EGL_FALSE;
2162     }
2163 
2164     egl_surface_t const * const s = get_surface(surface);
2165     if (s->cnx->egl.eglSetDamageRegionKHR) {
2166         return s->cnx->egl.eglSetDamageRegionKHR(dp->disp.dpy, s->surface,
2167                 rects, n_rects);
2168     }
2169 
2170     return EGL_FALSE;
2171 }
2172 
eglGetNextFrameIdANDROID(EGLDisplay dpy,EGLSurface surface,EGLuint64KHR * frameId)2173 EGLBoolean eglGetNextFrameIdANDROID(EGLDisplay dpy, EGLSurface surface,
2174             EGLuint64KHR *frameId) {
2175     clearError();
2176 
2177     const egl_display_ptr dp = validate_display(dpy);
2178     if (!dp) {
2179         return setError(EGL_BAD_DISPLAY, (EGLBoolean)EGL_FALSE);
2180     }
2181 
2182     SurfaceRef _s(dp.get(), surface);
2183     if (!_s.get()) {
2184         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
2185     }
2186 
2187     egl_surface_t const * const s = get_surface(surface);
2188 
2189     if (!s->getNativeWindow()) {
2190         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
2191     }
2192 
2193     uint64_t nextFrameId = 0;
2194     int ret = native_window_get_next_frame_id(s->getNativeWindow(), &nextFrameId);
2195 
2196     if (ret != 0) {
2197         // This should not happen. Return an error that is not in the spec
2198         // so it's obvious something is very wrong.
2199         ALOGE("eglGetNextFrameId: Unexpected error.");
2200         return setError(EGL_NOT_INITIALIZED, (EGLBoolean)EGL_FALSE);
2201     }
2202 
2203     *frameId = nextFrameId;
2204     return EGL_TRUE;
2205 }
2206 
eglGetCompositorTimingANDROID(EGLDisplay dpy,EGLSurface surface,EGLint numTimestamps,const EGLint * names,EGLnsecsANDROID * values)2207 EGLBoolean eglGetCompositorTimingANDROID(EGLDisplay dpy, EGLSurface surface,
2208         EGLint numTimestamps, const EGLint *names, EGLnsecsANDROID *values)
2209 {
2210     clearError();
2211 
2212     const egl_display_ptr dp = validate_display(dpy);
2213     if (!dp) {
2214         return setError(EGL_BAD_DISPLAY, (EGLBoolean)EGL_FALSE);
2215     }
2216 
2217     SurfaceRef _s(dp.get(), surface);
2218     if (!_s.get()) {
2219         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
2220     }
2221 
2222     egl_surface_t const * const s = get_surface(surface);
2223 
2224     if (!s->getNativeWindow()) {
2225         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
2226     }
2227 
2228     nsecs_t* compositeDeadline = nullptr;
2229     nsecs_t* compositeInterval = nullptr;
2230     nsecs_t* compositeToPresentLatency = nullptr;
2231 
2232     for (int i = 0; i < numTimestamps; i++) {
2233         switch (names[i]) {
2234             case EGL_COMPOSITE_DEADLINE_ANDROID:
2235                 compositeDeadline = &values[i];
2236                 break;
2237             case EGL_COMPOSITE_INTERVAL_ANDROID:
2238                 compositeInterval = &values[i];
2239                 break;
2240             case EGL_COMPOSITE_TO_PRESENT_LATENCY_ANDROID:
2241                 compositeToPresentLatency = &values[i];
2242                 break;
2243             default:
2244                 return setError(EGL_BAD_PARAMETER, (EGLBoolean)EGL_FALSE);
2245         }
2246     }
2247 
2248     int ret = native_window_get_compositor_timing(s->getNativeWindow(),
2249             compositeDeadline, compositeInterval, compositeToPresentLatency);
2250 
2251     switch (ret) {
2252       case 0:
2253         return EGL_TRUE;
2254       case -ENOSYS:
2255         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
2256       default:
2257         // This should not happen. Return an error that is not in the spec
2258         // so it's obvious something is very wrong.
2259         ALOGE("eglGetCompositorTiming: Unexpected error.");
2260         return setError(EGL_NOT_INITIALIZED, (EGLBoolean)EGL_FALSE);
2261     }
2262 }
2263 
eglGetCompositorTimingSupportedANDROID(EGLDisplay dpy,EGLSurface surface,EGLint name)2264 EGLBoolean eglGetCompositorTimingSupportedANDROID(
2265         EGLDisplay dpy, EGLSurface surface, EGLint name)
2266 {
2267     clearError();
2268 
2269     const egl_display_ptr dp = validate_display(dpy);
2270     if (!dp) {
2271         return setError(EGL_BAD_DISPLAY, (EGLBoolean)EGL_FALSE);
2272     }
2273 
2274     SurfaceRef _s(dp.get(), surface);
2275     if (!_s.get()) {
2276         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
2277     }
2278 
2279     egl_surface_t const * const s = get_surface(surface);
2280 
2281     ANativeWindow* window = s->getNativeWindow();
2282     if (!window) {
2283         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
2284     }
2285 
2286     switch (name) {
2287         case EGL_COMPOSITE_DEADLINE_ANDROID:
2288         case EGL_COMPOSITE_INTERVAL_ANDROID:
2289         case EGL_COMPOSITE_TO_PRESENT_LATENCY_ANDROID:
2290             return EGL_TRUE;
2291         default:
2292             return EGL_FALSE;
2293     }
2294 }
2295 
eglGetFrameTimestampsANDROID(EGLDisplay dpy,EGLSurface surface,EGLuint64KHR frameId,EGLint numTimestamps,const EGLint * timestamps,EGLnsecsANDROID * values)2296 EGLBoolean eglGetFrameTimestampsANDROID(EGLDisplay dpy, EGLSurface surface,
2297         EGLuint64KHR frameId, EGLint numTimestamps, const EGLint *timestamps,
2298         EGLnsecsANDROID *values)
2299 {
2300     clearError();
2301 
2302     const egl_display_ptr dp = validate_display(dpy);
2303     if (!dp) {
2304         return setError(EGL_BAD_DISPLAY, (EGLBoolean)EGL_FALSE);
2305     }
2306 
2307     SurfaceRef _s(dp.get(), surface);
2308     if (!_s.get()) {
2309         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
2310     }
2311 
2312     egl_surface_t const * const s = get_surface(surface);
2313 
2314     if (!s->getNativeWindow()) {
2315         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
2316     }
2317 
2318     nsecs_t* requestedPresentTime = nullptr;
2319     nsecs_t* acquireTime = nullptr;
2320     nsecs_t* latchTime = nullptr;
2321     nsecs_t* firstRefreshStartTime = nullptr;
2322     nsecs_t* gpuCompositionDoneTime = nullptr;
2323     nsecs_t* lastRefreshStartTime = nullptr;
2324     nsecs_t* displayPresentTime = nullptr;
2325     nsecs_t* dequeueReadyTime = nullptr;
2326     nsecs_t* releaseTime = nullptr;
2327 
2328     for (int i = 0; i < numTimestamps; i++) {
2329         switch (timestamps[i]) {
2330             case EGL_REQUESTED_PRESENT_TIME_ANDROID:
2331                 requestedPresentTime = &values[i];
2332                 break;
2333             case EGL_RENDERING_COMPLETE_TIME_ANDROID:
2334                 acquireTime = &values[i];
2335                 break;
2336             case EGL_COMPOSITION_LATCH_TIME_ANDROID:
2337                 latchTime = &values[i];
2338                 break;
2339             case EGL_FIRST_COMPOSITION_START_TIME_ANDROID:
2340                 firstRefreshStartTime = &values[i];
2341                 break;
2342             case EGL_LAST_COMPOSITION_START_TIME_ANDROID:
2343                 lastRefreshStartTime = &values[i];
2344                 break;
2345             case EGL_FIRST_COMPOSITION_GPU_FINISHED_TIME_ANDROID:
2346                 gpuCompositionDoneTime = &values[i];
2347                 break;
2348             case EGL_DISPLAY_PRESENT_TIME_ANDROID:
2349                 displayPresentTime = &values[i];
2350                 break;
2351             case EGL_DEQUEUE_READY_TIME_ANDROID:
2352                 dequeueReadyTime = &values[i];
2353                 break;
2354             case EGL_READS_DONE_TIME_ANDROID:
2355                 releaseTime = &values[i];
2356                 break;
2357             default:
2358                 return setError(EGL_BAD_PARAMETER, (EGLBoolean)EGL_FALSE);
2359         }
2360     }
2361 
2362     int ret = native_window_get_frame_timestamps(s->getNativeWindow(), frameId,
2363             requestedPresentTime, acquireTime, latchTime, firstRefreshStartTime,
2364             lastRefreshStartTime, gpuCompositionDoneTime, displayPresentTime,
2365             dequeueReadyTime, releaseTime);
2366 
2367     switch (ret) {
2368         case 0:
2369             return EGL_TRUE;
2370         case -ENOENT:
2371             return setError(EGL_BAD_ACCESS, (EGLBoolean)EGL_FALSE);
2372         case -ENOSYS:
2373             return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
2374         case -EINVAL:
2375             return setError(EGL_BAD_PARAMETER, (EGLBoolean)EGL_FALSE);
2376         default:
2377             // This should not happen. Return an error that is not in the spec
2378             // so it's obvious something is very wrong.
2379             ALOGE("eglGetFrameTimestamps: Unexpected error.");
2380             return setError(EGL_NOT_INITIALIZED, (EGLBoolean)EGL_FALSE);
2381     }
2382 }
2383 
eglGetFrameTimestampSupportedANDROID(EGLDisplay dpy,EGLSurface surface,EGLint timestamp)2384 EGLBoolean eglGetFrameTimestampSupportedANDROID(
2385         EGLDisplay dpy, EGLSurface surface, EGLint timestamp)
2386 {
2387     clearError();
2388 
2389     const egl_display_ptr dp = validate_display(dpy);
2390     if (!dp) {
2391         return setError(EGL_BAD_DISPLAY, (EGLBoolean)EGL_FALSE);
2392     }
2393 
2394     SurfaceRef _s(dp.get(), surface);
2395     if (!_s.get()) {
2396         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
2397     }
2398 
2399     egl_surface_t const * const s = get_surface(surface);
2400 
2401     ANativeWindow* window = s->getNativeWindow();
2402     if (!window) {
2403         return setError(EGL_BAD_SURFACE, (EGLBoolean)EGL_FALSE);
2404     }
2405 
2406     switch (timestamp) {
2407         case EGL_COMPOSITE_DEADLINE_ANDROID:
2408         case EGL_COMPOSITE_INTERVAL_ANDROID:
2409         case EGL_COMPOSITE_TO_PRESENT_LATENCY_ANDROID:
2410         case EGL_REQUESTED_PRESENT_TIME_ANDROID:
2411         case EGL_RENDERING_COMPLETE_TIME_ANDROID:
2412         case EGL_COMPOSITION_LATCH_TIME_ANDROID:
2413         case EGL_FIRST_COMPOSITION_START_TIME_ANDROID:
2414         case EGL_LAST_COMPOSITION_START_TIME_ANDROID:
2415         case EGL_FIRST_COMPOSITION_GPU_FINISHED_TIME_ANDROID:
2416         case EGL_DEQUEUE_READY_TIME_ANDROID:
2417         case EGL_READS_DONE_TIME_ANDROID:
2418             return EGL_TRUE;
2419         case EGL_DISPLAY_PRESENT_TIME_ANDROID: {
2420             int value = 0;
2421             window->query(window,
2422                     NATIVE_WINDOW_FRAME_TIMESTAMPS_SUPPORTS_PRESENT, &value);
2423             return value == 0 ? EGL_FALSE : EGL_TRUE;
2424         }
2425         default:
2426             return EGL_FALSE;
2427     }
2428 }
2429